powerstats: change TPU DVFS data source from ACPM to TPU kernel

ACPM has an issue b/315079424 that reports incorrect TPU DVFS
residency. So change the data source from ACPM to TPU kernel.

Bug: 310094590
Test: vts-tradefed run vts -m VtsHalPowerStatsTargetTest
Change-Id: If4bdaeea510b1a8e72d057a7fbb0dc03f6a6c665
Signed-off-by: Darren Hsu <darrenhsu@google.com>
1 file changed