implement 1% battery on select devices

Change-Id: I3dfeaf33c1a1c29dc2012335ce8927dc789f8dc3

With the following updates:
https://github.com/Quarx2k/android_frameworks_base/commit/e8d2b7a167738457066142adc9c7d1bfd09b6902
https://github.com/CyanogenMod/android_frameworks_base/commit/44c99a0910d2d7ff5a3f0c9631f9bddf0eabaeaf
https://github.com/CyanogenMod/android_frameworks_base/commit/14d2be6b6e19ddd12d32066d98e70e41088ce3fd