jni/event: free property/value strings in sendPropertyUpdateToJava
jni/event: free property/value strings in sendPropertyUpdateToJava

mpv-android/mpv-android,jeeb/mpv-android,mpv-android/mpv-android,mpv-android/mpv-android,jeeb/mpv-android,jeeb/mpv-android,jeeb/mpv-android,mpv-android/mpv-android,jeeb/mpv-android,mpv-android/mpv-android