Revert "Make SBAU Optional"

This reverts commit 8eea8a2f319da7032c955b2992523363e886a1fd.
Revert "Status Bar Auto Display on Notification When in Fullscreen"

This reverts commit 13e7dfde883810a034072ee547bc70b159c62042.
Fixes for clang:
PackageInfo is a class, not a struct.
String16 is contained in the android namespace. Do not namespace prefix it
within the android namespace.
Explicitly specify which std classes are necessary to prevent ambiguous
type errors. (map, set)

Change-Id: I0d01477a976e770821ebae8847f8d11b132a15d6
Couple of fixes

- Fix audioservice npe
- Get sender of broadcasts