Fix Earl Grey tests for Unified Consent.

This CL updates earl grey tests to work with Unified Consent feature
enabled on iOS. It also runs all first run ui earl grey tests on the
ios_chrome_unified_consent_egtests bot.

Bug: 960260
Change-Id: I537e2c3b3c8b096d7ca0acb600eb362cbca38c34
Reviewed-by: Jérôme Lebel <>
Reviewed-by: Sylvain Defresne <>
Reviewed-by: Yuly Novikov <>
Commit-Queue: Mihai Sardarescu <>
Cr-Commit-Position: refs/heads/master@{#661330}
8 files changed