tree e32217597cbde72a3ee900b5a6a1fdec1ea74b29
parent 639b07178f6412cd931818c7787c5f6effd42317
author Winson Chung <winsonc@google.com> 1525888055 -0700
committer Winson Chung <winsonc@google.com> 1525895462 -0700

Fix lock contention while swiping up

- Don't lock when making WM calls (only lock when resetting), and use own
  executor since the background executor is fixed to only two threads and
  other things can be running on them already (like task loading).

Bug: 78585335
Change-Id: I56e24fbbdeb3b673837982df3fa67e485d03b3b2