Create a new power folder for adding common settings among projects.
The first usage would be to align pm_freeze_timeout with p22.
Bug: 331612600
Test: cat /sys/power/pm_freeze_timeout and the value is correct.
Flag: EXEMPT (bug 337358613)
Change-Id: Ib8219114ec7d789ea3ee9a44863497d3751c0baf
Signed-off-by: liangjlee <liangjlee@google.com>