Fix Flicker for ZenCustomRuleSettingsBase am: bab799899d am: 1b78e1b36c

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/17374483

Change-Id: Id60cb8ec6abbc6c6deefedf8e21084a246d18666
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>