Set correct uid when loading app icon in data usage UI.

work profile apps belongs to a different user. Set the correct uid when
loading the icon so the work profile badge is displayed.

Change-Id: I2ed27d6b83c1b42961500dc8d63475bf1f7eabcd
Fix: 38372681
Test: make RunSettingsRoboTests

src/com/android/settings/applications/PackageManagerWrapperImpl.java

@@ -103,4 +103,10 @@ public class PackageManagerWrapperImpl implements PackageManagerWrapper {
             int userId) {
         mPm.deletePackageAsUser(packageName, observer, flags, userId);
     }
+
+    @Override
+    public int getPackageUidAsUser(String pkg, int userId)
+            throws PackageManager.NameNotFoundException {
+        return mPm.getPackageUidAsUser(pkg, userId);
+    }
 }