[android] - expose UiSettings configuration for disabling horizontall scroll gestures

MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/camera/GestureDetectorActivity.java

@@ -259,6 +259,9 @@ public class GestureDetectorActivity extends AppCompatActivity {
       case R.id.menu_gesture_quick_zoom:
         uiSettings.setQuickZoomGesturesEnabled(!uiSettings.isQuickZoomGesturesEnabled());
         return true;
+      case R.id.menu_gesture_scroll_horizontal:
+        uiSettings.setHorizontalScrollGesturesEnabled(!uiSettings.isHorizontalScrollGesturesEnabled());
+        return true;
     }
     return super.onOptionsItemSelected(item);
   }

MapboxGLAndroidSDKTestApp/src/main/res/menu/menu_gestures.xml

@@ -18,6 +18,9 @@
     <item
         android:id="@+id/menu_gesture_scroll"
         android:title="Toggle scroll enabled" />
+    <item
+        android:id="@+id/menu_gesture_scroll_horizontal"
+        android:title="Toggle horizontal scroll enabled" />
     <item
         android:id="@+id/menu_gesture_double_tap"
         android:title="Toggle double tap enabled" />