"JSS15K"
"JSS15L"
"JSS15M"
JSS15N
JSS15O
JSS15P
"JSS15Q"
add FileExplorer

N/A

Signed-off-by: huangqiwu <huangqiwu@xiaomi.com>
Merge tag 'android-4.3_r2.2' into android-4.3-aries

Android 4.3 release 2.2
Merge remote-tracking branch 'libra/android-4.3-aries' into android-4.3