Fix permission documentation

Author: manuquentin

docs/android-installation.md

@@ -44,6 +44,7 @@ public class MainActivity extends ReactActivity {
     // Permission results
     @Override
     public void onRequestPermissionsResult(int permsRequestCode, String[] permissions, int[] grantResults) {
+        super.onRequestPermissionsResult(permsRequestCode, permissions, grantResults);
         switch (permsRequestCode) {
             case RNCallKeepModule.REQUEST_READ_PHONE_STATE:
                 RNCallKeepModule.onRequestPermissionsResult(grantResults);