Resolve canonical package path before writing it to packages.list.

Bug id - b/21028929

Change-Id: I82a7ba4f27017d3de29790cdbfab656ca9814cfb

services/core/java/com/android/server/pm/Settings.java

@@ -2102,7 +2102,7 @@ final class Settings {
                 }
 
                 final ApplicationInfo ai = pkg.pkg.applicationInfo;
-                final String dataPath = ai.dataDir;
+                final String dataPath = new File(ai.dataDir).getCanonicalPath();
                 final boolean isDebug = (ai.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0;
                 final int[] gids = pkg.getPermissionsState().computeGids(userIds);