[android] - upgrade to a bitrise compatible buildtools version (#277)

Author: tobrun

mapbox/dependencies.gradle

@@ -6,7 +6,7 @@ ext {
     minSdkVersion = 15
     targetSdkVersion = 25
     compileSdkVersion = 25
-    buildToolsVersion = "25.0.1"
+    buildToolsVersion = "25.0.2"
 
     dep = [
         gson: 'com.google.code.gson:gson:2.8.0',