DO NOT MERGE - FLAG_PRIVILEGED disappears if privileged app is updated and rebooted

Since Kitkat, an app pre-loaded under /system/priv-app/ has
FLAG_PRIVILEGED. However, if the app updated and the device
rebooted, privileged flag is unset from pkgFlags. This patch
fix issue to assign privileged flag when scanning the updated
packages.

Bug: 12640283

Cherrypick from master.

Change-Id: I833d94cd911693c9291e8204f63bd8de945dbba6

1 files changed, 6 insertions, 0 deletions

diff --git a/services/java/com/android/server/pm/PackageManagerService.java b/services/java/com/android/server/pm/PackageManagerService.java
index 47476c0cb54b..02a2c8f15ed5 100755
--- a/services/java/com/android/server/pm/PackageManagerService.java
+++ b/services/java/com/android/server/pm/PackageManagerService.java
@@ -3657,6 +3657,12 @@ public class PackageManagerService extends IPackageManager.Stub {
             // An updated system app will not have the PARSE_IS_SYSTEM flag set
             // initially
             parseFlags |= PackageParser.PARSE_IS_SYSTEM;
+
+            // An updated privileged app will not have the PARSE_IS_PRIVILEGED
+            // flag set initially
+            if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) {
+                parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
+            }
         }
         // Verify certificates against what was last scanned
         if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) {