Revert "Fix missing gesture insets for 3-button navigation"

This reverts commit 2163e88678c9a46a5f87c3af19d820ad861e3016.

Reason for revert:  Creating the revert taking ACA as the evidence https://android-build.googleplex.com/builds/culprit-assistant/run/a0d8935e-d822-4f5f-9024-2c806bbda348. For the bug  b/268585834 

Change-Id: I28dba22b38596437975fdd4d3ad740c23720a092
1 file changed