Merge "Removing multiple system RPCs to packageMAnager and userManager from UI thread" into ub-launcher3-rvc-dev am: 81e651dba8

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/11800442

Change-Id: I027048e334c26e85ca6b593ba398f89bff1239e2