Base: Change battery back tile onclick action

click to open batteryInfo not summary :)

see http://jira.omnirom.org/browse/OMNI-642

Change-Id: Ia4f5db7c32d4531f5f82ac2ea78ea073c1bf8c1f
Merge pull request #11 from omnirom/android-4.4

Base: Change battery back tile onclick action