DO NOT MERGE Ensure package names read from config are system packages.

Fixes: 145981139
Test: manually tested ensureSystemPackageName() returns null for non-system app
Change-Id: I1d23910cbd282f6702785c9dfb059d7be6b0e895
(cherry picked from commit 6a56247200e1a8afc4dacc2497ec384efa200b92)
1 file changed