[android] - update changelog for release v8.1.1 (#15224)

Author: tobrun

platform/android/CHANGELOG.md

@@ -7,6 +7,18 @@ Mapbox welcomes participation and contributions from everyone.  If you'd like to
 ### Bug fixes
  - Fixed flickering on style change for the same tile set [#15127](https://github.com/mapbox/mapbox-gl-native/pull/15127)
 
+## 8.1.1 - July 26, 2019
+[Changes](https://github.com/mapbox/mapbox-gl-native/compare/android-v8.1.0...android-v8.1.1) since [Mapbox Maps SDK for Android v8.1.0](https://github.com/mapbox/mapbox-gl-native/releases/tag/android-v8.1.0):
+
+### Bug fixes
+ - Fixed rendering layers after fill-extrusion regression caused by optimization of fill-extrusion rendering [#15065](https://github.com/mapbox/mapbox-gl-native/pull/15065)
+ - Fixed a map update bug caused by the render tiles and the render passes getting unsynchronized [#15092](https://github.com/mapbox/mapbox-gl-native/pull/15092)
+ - Fixed collision with content insets [#15130](https://github.com/mapbox/mapbox-gl-native/pull/15130)
+ - Fixed a custom geometry source bug caused by using the outdated tiles after style update [#15112](https://github.com/mapbox/mapbox-gl-native/pull/15112)
+ - Allow map panning after quick zoom is disabled but a phantom gesture is executed [#15093](https://github.com/mapbox/mapbox-gl-native/pull/15093)
+ - Ensure location shadow's gradient radius is greater than 0 [#15099](https://github.com/mapbox/mapbox-gl-native/pull/15099)
+ - Ensure that move detector is enabled if double-tap is interrupted [#15103](https://github.com/mapbox/mapbox-gl-native/pull/15103)
+
 ## 8.2.0 - July 24, 2019
 [Changes](https://github.com/mapbox/mapbox-gl-native/compare/android-v8.2.0-beta.1...android-v8.2.0) since [Mapbox Maps SDK for Android v8.2.0-beta.1](https://github.com/mapbox/mapbox-gl-native/releases/tag/android-v8.2.0-beta.1):