Fixed Java APIDemo custom playback controls issue. #1076

Job	Run time
Build (java/advanced/APIDemo)	3m 17s
Build (java/advanced/InlineAdaptiveBannerExample)	8s
Build (java/advanced/RewardedSSVExample)	4s
Build (kotlin/advanced/APIDemo)	4m 9s
Build (kotlin/advanced/InlineAdaptiveBannerExample)	8s
Build (kotlin/advanced/JetpackComposeDemo)	5s
Build (java/admob/AppOpenExample)	5s
Build (java/admob/BannerExample)	4s
Build (java/admob/FullScreenNativeExample)	8s
Build (java/admob/InterstitialExample)	6s
Build (java/admob/NativeAdvancedExample)	8s
Build (java/admob/RewardedInterstitialExample)	8s
Build (java/admob/RewardedVideoExample)	8s
Build (kotlin/admob/AppOpenExample)	8s
Build (kotlin/admob/BannerExample)	7s
Build (kotlin/admob/InterstitialExample)	4s
Build (kotlin/admob/NativeAdvancedExample)	5s
Build (kotlin/admob/RewardedInterstitialExample)	5s
Build (kotlin/admob/RewardedVideoExample)	5s
Build (java/admanager/AppOpenExample)	8s
Build (java/admanager/BannerExample)	8s
Build (java/admanager/InterstitialExample)	8s
Build (java/admanager/NativeAdsExample)	10s
Build (java/admanager/RewardedInterstitialExample)	4s
Build (java/admanager/RewardedVideoExample)	7s
Build (kotlin/admanager/AppOpenExample)	8s
Build (kotlin/admanager/BannerExample)	6s
Build (kotlin/admanager/InterstitialExample)	8s
Build (kotlin/admanager/NativeAdsExample)	8s
Build (kotlin/admanager/RewardedInterstitialExample)	8s
Build (kotlin/admanager/RewardedVideoExample)	8s
	10m 43s

Provide feedback