charger: Update to match AOSP recovery API

Change-Id: I2f8e0213e438c352dc5954faa287374e33985d65
Revert "charger: Update to match AOSP recovery API"

This reverts commit d00b7c086f89d519f679614790e6b3c27a398ee9.
charger: Allow home key on newer devices to wake device

 * On newer devices, the home key button is usually mapped
   to KEY_HOMEPAGE. Allow it to wake the device.

Change-Id: I6423e4c6fb7992c77dc052a9f0aadae1fa8055dd
Merge remote-tracking branch 'cm/cm-10.2' into jb3