Fix problem where enter and space key do nothing on ListView.
Fix problem where enter and space key do nothing on ListView.

Enter should select the currently focused item. It was doing
nothing.

Change-Id: I149ed72804234c1c1da4a7a9be8c9f405722d4ec

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base