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

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

Change-Id: I2bd0efba1f4615b8847ccb7c48b51cad94db0104
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>