PackageManager: Restrict system packages to protected storage

Don't allow packages signed with the platform key to be
installed into user (or app) controlled storage

Change-Id: I4dff8a33a9be7e1877812cf821bf6148e03e7bab

Merge "surfaceflinger: Add support for LGE's HDMI rotation" into ging…

…erbread

Revert "ignore sf error"

This reverts commit 892f757.

TOTAL DERPFEST WTF.

Merge "Traditional Chinese: Translate "Tablet soft buttons"" into gin…

…gerbread