Update build tools version

Updated versions of gradle require 25.X.X

Author: sebirdman

android/build.gradle

@@ -3,7 +3,7 @@ apply plugin: 'com.android.library'
 
 android {
     compileSdkVersion 24
-    buildToolsVersion "24.0.2"
+    buildToolsVersion "25.0.3"
 
     defaultConfig {
         minSdkVersion 16
@@ -24,4 +24,4 @@ dependencies {
     compile 'com.instabug.library:instabug:3+'
 
 }
-  
+