Compile in gson for android modules (#30)

Author: jophde

shared/build.gradle

@@ -53,6 +53,7 @@ android {
 dependencies {
     compile "com.noveogroup.android:android-logger:$android_logger_ver"
     compile "com.optimizely.ab:core-api:$java_core_ver"
+    compile "com.google.code.gson:gson:$gson_ver"
     provided "com.android.support:support-annotations:$support_annotations_ver"
 
     testCompile "junit:junit:$junit_ver"

test-app/build.gradle

@@ -34,7 +34,6 @@ dependencies {
     // Includes SST Java core, event handler, and user experiment record
     compile project(':android-sdk')
 //    compile 'com.optimizely.ab:android-sdk:0.0.1'
-    compile "com.google.code.gson:gson:$gson_ver"
     compile 'com.android.support:appcompat-v7:24.2.1'
     compile 'com.android.support:design:24.2.1'