Merge "Fix transparency seekbar is enabled while fade feature is disabled."...

Merge "Fix transparency seekbar is enabled while fade feature is disabled." into tm-dev am: fbaa9f3f

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/17799714



Change-Id: Ia8fb2c97f7055175085eccf58d25b54364f8a048
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>