Merge "Fixing wrong alpha for disbled icon" into tm-dev am: 8ca6e815bd am: 48bcc5f7a5

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/18237481

Change-Id: If0d4c96b760ecc6008580f248324558466fd585b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>