fix camera permission issue

Author: xianing

Android/APIExample/app/src/main/java/io/agora/api/example/examples/advanced/SuperResolution.java

@@ -176,6 +176,10 @@ public void onClick(View v)
         }
         else if(v.getId() == R.id.btn_super_resolution){
             int ret = engine.enableRemoteSuperResolution(remoteUid, !enableSuperResolution);
+            if(enableSuperResolution){
+                enableSuperResolution = false;
+                btnSuperResolution.setText(getText(R.string.opensuperr));
+            }
             if(ret!=0){
                 Log.w(TAG, String.format("onWarning code %d ", ret));
             }

Android/APIExample/app/src/main/java/io/agora/api/example/examples/basic/JoinChannelAudio.java

@@ -116,7 +116,7 @@ public void onClick(View v) {
                 // call when join button hit
                 String channelId = et_channel.getText().toString();
                 // Check permission
-                if (AndPermission.hasPermissions(this, Permission.Group.STORAGE, Permission.Group.MICROPHONE, Permission.Group.CAMERA)) {
+                if (AndPermission.hasPermissions(this, Permission.Group.STORAGE, Permission.Group.MICROPHONE)) {
                     joinChannel(channelId);
                     return;
                 }