device.mk: Add android.hardware.power@1.0-impl

Also adds the open method for the power HAL, so that it can be
dl-opened.

Test: No
Bug: 31177288
Change-Id: Iec2562dc978bfe0f2f563168a05b054033bb0090
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>
1 file changed