Revert "Fix up /android_os_SystemClock.cpp"

This reverts commit c2f7e9a99ecb4ef85f1bb4c7073dd9114f4dddea.
Revert "fix possible buffer overrun and memory leak"

This reverts commit a17a60ac71950deb0bc18bce312d611144b77e02.
Revert "Memory leak: parseObbFile.footer"

This reverts commit 1699bdfa7a07726e20df8f5e12b050f69be9f6ec.
Revert "Remove duplicate code in Editor.java"

This reverts commit ffe25d42ca3d3e947f138934ccc95c3e764042d3.
Revert "Fix a variety of small publicly-reported bugs."

This reverts commit e679a8e93f137e5d1cc40454c38182017026cbb0.
Revert "Add /dev/rtc backend to SystemClock"

This reverts commit afac82bd70a22cdbc4d3aa0fe60549d73086afe7.
Revert "Don't rely on gcc extensions"

This reverts commit 48961533aa536e56ef22dfaaeaf30ca0f3844b23.
Revert "Prevent MediaScanner infinite loop with invalid path"

This reverts commit af4d7a84cd62db11ec24fe692316cac4c610d961.
Revert "Revert CM's brightness slider"

This reverts commit 6bfe140281be705d00dc9e1a4fdf3e70f1682177.