[Android] Remove default alert for silent push notifications#707

Gp2mv3 merged 2 commits intozo0r:masterzo0r/react-native-push-notification:masterfrom

superandrew213:android-remove-alert-trigger-for-silent-notificationssuperandrew213/react-native-push-notification:android-remove-alert-trigger-for-silent-notificationsCopy head branch name to clipboard