[Android] SE onboarding on tablet isn't smooth

[srirambv]

Description

SE onboarding on tablet isn't smooth

Steps to reproduce

1. Clean install 1.12.112 on a tablet
2. Click on URL bar
3. Onboarding starts but then popup keyboard comes up and onboarding hides it again

Actual result

Expected result

Smooth transition or hide keyboard until onboarding is finished

Issue reproduces how often

Easy

Version/Channel Information:

• Can you reproduce this issue with the current Play Store version? NA
• Can you reproduce this issue with the current Play Store Beta version? Yes
• Can you reproduce this issue with the current Play Store Nightly version?Yes

Device details-

• Install type (ARM, x86): ARM
• Device type (Phone, Tablet, Phablet): Tablet
• Android version: 10

Brave version

1.12.112

Website problems only

• Does the issue resolve itself when disabling Brave Shields? NA
• Does the issue resolve itself when disabling Brave Rewards? NA
• Is the issue reproducible on the latest version of Chrome? NA

Additional information