Check null pointer before using pkgDataInfoMap

Otherwise, app process may crash during first run in first boot
When pkgDataInfoMap is null, we should let it being remounted
after storage is unlocked.

Fix: 154312199
Test: Wipe and boot device, without any exception
Change-Id: Iadf92c9b3996242296883c6bff81a08b24bce42c
1 file changed