[AE Flicker Test] From a rtl split B|A, launch rtl PlaceholderPrimary and PlaceholderSecondary.
Expect PlaceholderSecondary|PlaceholderPrimary to cover B|A.

Test: atest RTLStartSecondaryWithPlaceholderTest
Bug: 238043427

Change-Id: I5e03b6c1b62b06b08fbfa7d9235b14c364e5425e
5 files changed