Sometimes purchase intent weight in not increased on google

[btlechowski]

Follow up to #8047

The query string in URL is composed of a series of field-value pairs. Position of the field- value pairs can change.

We handle only:
https://www.google.com/search?q=audi+a4
We don't handle:
https://www.google.com/search?ei=bY2CXvHBMK2tytMPqYq--A4&q=audi+a4
https://www.google.com/search?source=hp&ei=y2eDXsWuI6fIrgThwZuQDw&q=audi+a4

Steps to Reproduce

1. Clean profile
2. Connect to US
3. Run Brave with command line: /usr/bin/brave-browser --enable-logging=stderr --vmodule=brave_ads=3 --brave-ads-staging --rewards=staging=true
4. Enable Rewards
5. Open google.com
6. Search for audi a4

Actual result:

purchase intent weight is not increased
automotive purchase intent by make-audi in Default/ads_service/client.json is empty or doesn't even exists

Expected result:

purchase intent weight is increased
automotive purchase intent by make-audi in Default/ads_service/client.json is not empty and contains one element

Reproduces how often:

100% repro rate

Brave version (brave://version info)

Brave	1.7.78 Chromium: 80.0.3987.149 (Official Build) dev (64-bit)
Revision	5f4eb224680e5d7dca88504586e9fd951840cac6-refs/branch-heads/3987_137@{#16}
OS	Ubuntu 18.04 LTS

cc @brave/legacy_qa @rebron @tmancey @moritzhaller

[GeetaSarvadnya]

Verification passed on

Brave | 1.10.80 Chromium: 81.0.4044.138 (Official Build) dev (64-bit)
-- | --
Revision | 8c6c7ba89cc9453625af54f11fd83179e23450fa-refs/branch-heads/4044@{#999}
OS | Windows 10 OS Version 1803 (Build 17134.1006)

• Reproduced issue in 1.9.x
• Verified the test plan from Fix Sometimes purchase intent weight in not increased on google brave-core#5183 and from issues description

"automotive purchase intent by make-audi": [
      {
        "timestamp_in_seconds": 1591099501,
        "weight": 1
      }
    ]
  },

• Verified searching cars and audi a5 in Omni search box and in google.com->serach box and verified that purchase intent is increased in client.json

"automotive purchase intent by category-entry luxury car": [
      {
        "timestamp_in_seconds": 1591099501,
        "weight": 1
      },
      {
        "timestamp_in_seconds": 1591100030,
        "weight": 1
      }
    ],
    "automotive purchase intent by make-audi": [
      {
        "timestamp_in_seconds": 1591099501,
        "weight": 1
      },
      {
        "timestamp_in_seconds": 1591100030,
        "weight": 1
      }

Verification passed on

Brave	1.10.80 Chromium: 81.0.4044.138 (Official Build) dev (64-bit)
Revision	8c6c7ba89cc9453625af54f11fd83179e23450fa-refs/branch-heads/4044@{#999}
OS	Ubuntu 18.04 LTS

Verified test plan from brave/brave-core#5183
Verified google

	"purchaseIntentSignalHistory": {
		"automotive purchase intent by category-entry luxury car": [{
				"timestamp_in_seconds": 1591151447,
				"weight": 1
			}
		],
		"automotive purchase intent by make-audi": [{
				"timestamp_in_seconds": 1591151447,
				"weight": 1
			}
		]
	},

Verified duckduckgo

	"purchaseIntentSignalHistory": {
		"automotive purchase intent by category-entry luxury car": [{
				"timestamp_in_seconds": 1591151901,
				"weight": 1
			}
		],
		"automotive purchase intent by make-audi": [{
				"timestamp_in_seconds": 1591151901,
				"weight": 1
			}
		]
	},

Verification PASSED

Brave | 1.10.88 Chromium: 83.0.4103.97 (Official Build) (64-bit)
-- | --
Revision | 326d148b9655369b86498d9ecca39f63dd2bdd2d-refs/branch-heads/4103@{#657}
OS | macOS Version 10.15.5 (Build 19F101)

Reproduced the original using 1.9.80 CR: 81.0.4044.138 as per #8939 (comment) and didn't see automotive purchase intent by make-audi being listed under Default/ads_service/client.json.

Verified that #8939 (comment) using 1.10.88 CR: 83.0.4103.97 worked as expected:

  "purchaseIntentSignalHistory": {
    "automotive purchase intent by category-entry luxury car": [
      {
        "timestamp_in_seconds": 1591906844,
        "weight": 1
      }
    ],
    "automotive purchase intent by make-audi": [
      {
        "timestamp_in_seconds": 1591906844,
        "weight": 1
      }
    ]
  },

Ensured that searching for audi a5 via https://www.google.com and audi a8 via the omnibox (Google as default) updated the purchase intent weight via Default/ads_service/client.json.

  "purchaseIntentSignalHistory": {
    "automotive purchase intent by category-entry luxury car": [
      {
        "timestamp_in_seconds": 1591906844,
        "weight": 1
      },
      {
        "timestamp_in_seconds": 1591907012,
        "weight": 1
      }
    ],
    "automotive purchase intent by category-premium luxury car": [
      {
        "timestamp_in_seconds": 1591907089,
        "weight": 1
      }
    ],
    "automotive purchase intent by make-audi": [
      {
        "timestamp_in_seconds": 1591906844,
        "weight": 1
      },
      {
        "timestamp_in_seconds": 1591907012,
        "weight": 1
      },
      {
        "timestamp_in_seconds": 1591907089,
        "weight": 1
      }
    ]
  },

Ensured that searching for mazda via https://www.duckduckgo.com updated the purchase intent weight via Default/ads_service/client.json.

"purchaseIntentSignalHistory": {
    "automotive purchase intent by category-entry luxury car": [
      {
        "timestamp_in_seconds": 1591906844,
        "weight": 1
      },
      {
        "timestamp_in_seconds": 1591907012,
        "weight": 1
      }
    ],
    "automotive purchase intent by category-premium luxury car": [
      {
        "timestamp_in_seconds": 1591907089,
        "weight": 1
      }
    ],
    "automotive purchase intent by make-audi": [
      {
        "timestamp_in_seconds": 1591906844,
        "weight": 1
      },
      {
        "timestamp_in_seconds": 1591907012,
        "weight": 1
      },
      {
        "timestamp_in_seconds": 1591907089,
        "weight": 1
      }
    ],
    "automotive purchase intent by make-mazda": [
      {
        "timestamp_in_seconds": 1591907313,
        "weight": 1
      }
    ]
  }