Revert "Update the bouncer to be able to move to either side of a wide screen."

This reverts commit 6c5bfcb40fdcf2499098daad37577e7ead67699a.

Reason for revert: Bug: 179493042

Test: Manually verified
Change-Id: Iebcaa9e92a2f83419c07936aa5aa3c81970da34a
12 files changed