Added customize diff for params field in google_bigquery_data_transfer_config

[AlfatahB]

Added customize diff for params field in google_bigquery_data_transfer_config
fixes hashicorp/terraform-provider-google#6992

If this PR is for Terraform, I acknowledge that I have:

• Searched through the issue tracker for an open issue that this either resolves or contributes to, commented on it to claim it, and written "fixes {url}" or "part of {url}" in this PR description. If there were no relevant open issues, I opened one and commented that I would like to work on it (not necessary for very small changes).
• Generated Terraform, and ran make test and make lint to ensure it passes unit and linter tests.
• Ensured that all new fields I added that can be set by a user appear in at least one example (for generated resources) or third_party test (for handwritten resources or update tests).
• Ran relevant acceptance tests (If the acceptance tests do not yet pass or you are unable to run them, please let your reviewer know).
• Read the Release Notes Guide before writing my release note below.

Release Note Template for Downstream PRs (will be copied)

bigquerydatatransfer: added force recreation for certain params field in `google_bigquery_data_transfer_config`

[modular-magician]

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[modular-magician]

Hi! I'm the modular magician. Your PR generated some diffs in downstreams - here they are.

Diff report:

Terraform GA: Diff ( 1 file changed, 27 insertions(+), 1 deletion(-))
Terraform Beta: Diff ( 1 file changed, 27 insertions(+), 1 deletion(-))
TF Validator: Diff ( 3 files changed, 28 insertions(+), 3 deletions(-))

[modular-magician]

Tests analytics

Total tests: 2215
Passed tests 1973
Skipped tests: 240
Failed tests: 2

Action taken

Triggering VCR tests in RECORDING mode for the tests that failed during VCR. Click here to see the failed tests

TestAccComputeInstance_soleTenantNodeAffinities|TestAccFirebaserulesRelease_BasicRelease

[modular-magician]

Tests passed during RECORDING mode:
TestAccFirebaserulesRelease_BasicRelease[Debug log]

Tests failed during RECORDING mode:
TestAccComputeInstance_soleTenantNodeAffinities[Error message] [Debug log]

Please fix these to complete your PR
View the build log or the debug log for each test

[ScottSuarez]

Could you add units tests or integration tests for this ?

[modular-magician]

Hi! I'm the modular magician. Your PR generated some diffs in downstreams - here they are.

Diff report:

Terraform GA: Diff ( 2 files changed, 93 insertions(+), 1 deletion(-))
Terraform Beta: Diff ( 2 files changed, 93 insertions(+), 1 deletion(-))
TF Validator: Diff ( 3 files changed, 28 insertions(+), 3 deletions(-))

[modular-magician]

Tests analytics

Total tests: 2197
Passed tests 1956
Skipped tests: 239
Failed tests: 2

Action taken

Triggering VCR tests in RECORDING mode for the tests that failed during VCR. Click here to see the failed tests

TestAccBigqueryDataTransferConfig|TestAccComputeForwardingRule_update

[modular-magician]

Tests passed during RECORDING mode:
TestAccBigqueryDataTransferConfig[Debug log]
TestAccComputeForwardingRule_update[Debug log]

All tests passed
View the build log or the debug log for each test

[AlfatahB]

Could you add units tests or integration tests for this ?

Okay, I've added test cases for the same.