tree 12eb4c83e4e25b9117660fbe55c6f2d99816ca80
parent 68fa15e317943bd0af24d442c488c49d0c34fd83
author Greg Daniel <egdaniel@google.com> 1538675215 -0400
committer Greg Daniel <egdaniel@google.com> 1538675285 -0400

Cleanup of barriers used in swapching aquiring and presenting.

Test: manual building and running on pixel 2

Change-Id: I72cc95ad7d11634e8d0627737d699a611e8d1d5f