Fix bug for setting doze mode, add util to set doze light.

1. Fix bug when enable/disable doze mode.
2. Add test util to enable/disable doze light mode.

BUG: 28324855
BUG: 27486316
BUG: 28982696

Change-Id: I8a86108510db4bdcf7b720014cc0adf5154c5b24
1 file changed
tree: efcb464533ca8d68e8fa616da77106070186d1b6
  1. acts/