healthd: Adds the fuel gauge policy functionality from the kernel

Change-Id: I9bef1368a560c443c5d825c2f6e9e3dbcff5ac8f
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>
(cherry picked from commit bc6e5d3fd44d12fdac1fa0eae4d9d18593823f3f)
1 file changed