Prevent transparent region in SurfaceViewSyncTests

Cherry-pick CTS fix from O

Fixes: 35314369
Bug: 74403491
Test: cts-tradefed run singleCommand cts-dev --module CtsViewTestCases --test android.view.cts.SurfaceViewSyncTest

Change-Id: I31d29382fd7ee071811fa7bb50cfe4972ced966a
Merged-In: I31d29382fd7ee071811fa7bb50cfe4972ced966a
1 file changed