[android] update changelog and dependency to release 9.4.0-beta.2 with 3.1.0 of core library (#537)

Author: tobrun

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 Mapbox welcomes participation and contributions from everyone. Please read [`Contributing Guide`](https://github.com/mapbox/mapbox-gl-native/blob/master/CONTRIBUTING.md) to get started.
 
-## 9.4.0-beta.2 - August 18, 2020
+## 9.4.0-beta.2 - August 21, 2020
 [Changes](https://github.com/mapbox/mapbox-gl-native-android/compare/android-v9.3.0...android-v9.4.0-beta.2) since [Mapbox Maps SDK for Android v9.3.0](https://github.com/mapbox/mapbox-gl-native-android/releases/tag/android-v9.3.0)
 ### Features
  - Implement method to set padding when camera is tracking. ([#496](https://github.com/mapbox/mapbox-gl-native-android/pull/496))
@@ -17,7 +17,7 @@ Mapbox welcomes participation and contributions from everyone. Please read [`Con
  - Adapt `LocalGlyphRasterizer` to render glyphs with a font's actual glyph metrics. ([#520](https://github.com/mapbox/mapbox-gl-native-android/pull/520))
 ### Dependencies
  - Update telemetry to 6.1.0
- - Update core library to 3.0.0
+ - Update core library to 3.1.0
 
 ## 9.3.1 - July 25, 2020
 ### Bug fixes

gradle/dependencies.gradle

@@ -40,7 +40,7 @@ ext {
             ktlint           : '0.34.0',
             commonsIO        : '2.6',
             mapboxSdkVersions: '1.1.0',
-            mapboxSdkCore    : '3.0.0',
+            mapboxSdkCore    : '3.1.0',
             mapboxSdkRegistryPlugin: '0.2.1'
     ]