fix dismiss func

Author: Quoc Khanh

android/src/main/java/com/incomingcall/UnlockScreenActivity.java

@@ -39,7 +39,7 @@ public class UnlockScreenActivity extends AppCompatActivity implements UnlockScr
     private Vibrator v = (Vibrator) IncomingCallModule.reactContext.getSystemService(Context.VIBRATOR_SERVICE);
     private long[] pattern = {0, 1000, 800};
     private MediaPlayer player = MediaPlayer.create(IncomingCallModule.reactContext, Settings.System.DEFAULT_RINGTONE_URI);
-    private Activity fa;
+    private static Activity fa;
 
     @Override
     public void onStart() {

example/yarn.lock

@@ -5443,7 +5443,7 @@ react-native-bootsplash@^2.2.4:
 
 "react-native-incoming-call@git+https://github.com/bkdev98/react-native-incoming-call.git":
   version "2.0.1"
-  resolved "git+https://github.com/bkdev98/react-native-incoming-call.git#c825647ea6e10fd9e464c380fdda27e2496c8e7c"
+  resolved "git+https://github.com/bkdev98/react-native-incoming-call.git#84a014adb3b4354caa43ab493ba5baf5732ff03a"
 
 react-native@0.62.2:
   version "0.62.2"