tree dd8fea89c58a3a884d64186a1aa1ca6227432d44
parent ebd722ce5b884bd23664cd7d9f29528d6998ac0d
author Doris Ling <dling@google.com> 1468890306 -0700
committer Doris Ling <dling@google.com> 1468890835 -0700

Fix janky scrolling for Gestures Settings.

1. Move the media player initialization/cleanup to construstor and
onDetach() of GesturePreference correspondingly, so that it's only
done once instead of every time when a new texture surface is available.
2. Pause the animation video when user scrolls.

Bug: 29790087
Change-Id: I51e6a787f9f2964b6bfc5288f7f5af801ccecc31