Restore contexts when doing mkdierhier in libtar
Do a restore of loaded file contexts to /data/media directory. This will help denials to be prevented when internal storage is wiped.

Change-Id: Ie49bbfa48d2f3ee4f08376d9c1877b92c051017c
Merge "Restore contexts when doing mkdierhier in libtar Do a restore of loaded file contexts to /data/media directory. This will help denials to be prevented when internal storage is wiped." into android-4.4