Merge "Have Taskbar report left/right gesture insets" into tm-qpr-dev am: b41d15b5f6 am: 3e815cbbb9

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/21344502

Change-Id: I195b250bec9a965d916659d8c3490e62bde5065b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>