Godot Android Admob Plugin Versions Save

• Update to Play Services Ads 19.1.0, now the APP ID is required, please check the "How to use" section on the README and follow the new steps;
• Java code refactored;
• fixed a signal name typo: insterstitial_failed_to_load => interstitial_failed_to_load.

• Option for ad-personalization option (GDPR) added (thanks @rszibele);
• fixed a bug where the app crashes when calling show_banner, hide_banner and show_interstitial without the respective load calls.

Two new methods was added:

• is_interstitial_loaded()
• is_rewarded_video_loaded()

It should be much easier to use the plugin now as you can just drop the Admob node into your scene as any other Godot node.

The first release after the port to use the new Android plugin system