title: Create a custom shape of title bar of marker in maps in android
body: <p>I am using the following code, it gives a default rectangular <code>shape</code>.I want to change the <code>shape</code> of the <code>title bar</code>, as in the image</p>
  
  <p><a href="https://i.stack.imgur.com/lSFhe.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/lSFhe.jpg" alt="enter image description here"></a></p>
  
  <pre><code>CameraPosition cameraPos = new CameraPosition.Builder()
                      .target(ll)
                      .zoom(18).bearing(300).tilt(45).build();
           googleMap.animateCamera(CameraUpdateFactory.newCameraPosition(cameraPos), null);
  
              if(racecourseroadmarker!=null)
                  racecourseroadmarker.remove();
              racecourseroadmarker = googleMap.addMarker(new MarkerOptions()
                      .position(new LatLng(ll.latitude, ll
                              .longitude)).anchor(0.5f, 0.5f).draggable(true)
                      .title(getIntent().getStringExtra("busno")).snippet(location)
                      .icon(BitmapDescriptorFactory
                              .fromResource(R.drawable.bus)));
  
              onMarkerDragStart(racecourseroadmarker);
              onMarkerDrag(racecourseroadmarker);
              racecourseroadmarker.showInfoWindow();
  </code></pre>