Merge "Use global action constant for a11y All Apps action" into ub-launcher3-rvc-dev am: bd2e73ce6f

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/11708484

Change-Id: I9fba367a8472a812346eb6792c1cca767db3f6b5