Don't hide call controls when interacting with PiP.

app/src/main/java/org/thoughtcrime/securesms/WebRtcCallActivity.java

@@ -1088,6 +1088,7 @@ public class WebRtcCallActivity extends BaseActivity implements SafetyNumberChan
     @Override
     public void onLocalPictureInPictureClicked() {
       viewModel.onLocalPictureInPictureClicked();
+      controlsAndInfo.restartHideControlsTimer();
     }
 
     @Override

app/src/main/java/org/thoughtcrime/securesms/components/webrtc/controls/ControlsAndInfoController.kt

@@ -276,6 +276,10 @@ class ControlsAndInfoController(
     }
   }
 
+  fun restartHideControlsTimer() {
+    hide(delay = HIDE_CONTROL_DELAY)
+  }
+
   private fun showOrHideControlsOnUpdate(previousState: WebRtcControls) {
     if (controlState == WebRtcControls.PIP) {
       hide()