Allow the system to error when missing required permissions

Our GCM permission checks would NPE if there were no permissions
defined. Adding a proper null check allows the system to properly
throw when missing required ACCESS_NETWORK_STATE or INTERNET
permissions

Author: grantland

Parse/src/main/java/com/parse/ManifestInfo.java

@@ -388,6 +388,9 @@ private static boolean hasRequestedPermissions(Context context, String... permis
     try {
       PackageInfo pi = context.getPackageManager().getPackageInfo(
           packageName, PackageManager.GET_PERMISSIONS);
+      if (pi.requestedPermissions == null) {
+        return false;
+      }
       return Arrays.asList(pi.requestedPermissions).containsAll(Arrays.asList(permissions));
     } catch (NameNotFoundException e) {
       PLog.e(TAG, "Couldn't find info about own package", e);