tree 34f52df5e540096631f20169f7dd55944370076e
parent de80f1b8b01f8bff8262fc69bdf04b91597c1170
author zonghuayang <zonghuayang@google.com> 1639043693 +0800
committer bobyang <zonghuayang@google.com> 1641894479 +0800

Fix flashing of LiveWallPaper category

- Set background color to transparent to prevent flashing.

Videos:
  -Before: https://drive.google.com/file/d/1vvtYi1alZlzRz0uQNs8HDXdV36C-mvVt/view?usp=sharing&resourcekey=0-ihPzZWQ9qox87wNvq9gl2A
  -After: https://drive.google.com/file/d/1mnU5cRrT7zIeXEwmeHA36ODVHEGik9ni/view?usp=sharing&resourcekey=0-ayTTZ2mNmr9b1kudkE4dSA

Bug: 208139461
Test: Manual
Change-Id: Iefe20835ae09bb1c96bc2d3c40b2abda91a56d34