Merge "Reland "Fix missing gesture insets for 3-button navigation"" into udc-dev am: fd87f823

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21646700



Change-Id: Id053541812839999e9ad182aab7dab6f4cd107bf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>