Made MapFragment work again, introduced new system to handle access token, updated MapFragmentActivity example

android/java/MapboxGLAndroidSDKTestApp/src/main/AndroidManifest.xml

@@ -37,6 +37,10 @@
             android:name="io.fabric.ApiKey"
             android:value="9724157045ff7d083492c6d9ae03e60e8609d461" />
 
+        <meta-data
+            android:name="com.mapbox.accessToken"
+            android:value="" />
+
     </application>
 
 </manifest>