Change required gles version to 2 for android

platform/android/AndroidManifest.xml.template

@@ -32,7 +32,7 @@
 $$ADD_APPLICATION_CHUNKS$$
 
     </application>
-    <uses-feature android:glEsVersion="0x00030000" android:required="true" />
+    <uses-feature android:glEsVersion="0x00020000" android:required="true" />
 
 $$ADD_PERMISSION_CHUNKS$$
 <uses-permission android:name="godot.ACCESS_CHECKIN_PROPERTIES"/>