Merge "Fixing wrong alpha for disbled icon" into tm-dev am: 8ca6e815

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



Change-Id: I1746708e1f43eabb75c88c3efafc141d3a0a7d44
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>