battery saver mode: updates (2/2)

credits Yanuar Harry<ai.the.smarties.physics@gmail.com>

Change-Id: Ibf4f99f88367a68871f91344b503101a0c63bf8c
Signed-off-by: Dan Trifan <jimsth@gmail.com>
Merge "battery saver mode: updates (2/2)" into kk44