am 510d8179: am a5e150c9: Merge "cherrypick from master docs: Battery class...
am 510d8179: am a5e150c9: Merge "cherrypick from master docs: Battery class C2DM -> GCM Change-Id: If5fe0034ae0bb72c321b591f84e79acbaf2e36f1" into jb-dev
* commit '510d8179':
cherrypick from master docs: Battery class C2DM -> GCM Change-Id: If5fe0034ae0bb72c321b591f84e79acbaf2e36f1