Revert "[1/2] Left handed navbar during landscape mode"

This reverts commit 83fdb3de09b6fa1fc9f51feac30ba4a05c1e8754.
Revert "Add back navigation bar customization."

This reverts commit 3d78c928b3cdee7c2bf54c73ed4e8efd02cf8b87.

Conflicts:
	src/com/android/settings/Utils.java

Change-Id: I9ef9929351349fdcc34f3652ebff0e406bd63f94
Revert "Add back navigation ring customization."

This reverts commit ab99452d34b8ce4f73cfa2365422ea0507ce6552.