Merge "Reland "Fix missing gesture insets for 3-button navigation"" into...

Merge "Reland "Fix missing gesture insets for 3-button navigation"" into udc-dev am: fd87f823 am: 18c9ec86

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



Change-Id: I01620e27b5486b54cd57077b85dcf4c89b116996
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>