Merge "Support gradual feature rollout" into main am: 18112dca90

Original change: https://android-review.googlesource.com/c/platform/tools/asuite/+/3361501

Change-Id: Iaf711749975e22b68ab9de001d57014f77d6cbc9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>