Bump demo app SDK version (#83)

Author: Vignesh Raja

test-app/build.gradle

@@ -29,14 +29,14 @@ android {
 dependencies {
     // Includes SST Java core, event handler, and user profile
     compile project(':android-sdk')
-    // compile 'com.optimizely.ab:android-sdk:0.3.1'
+    // compile 'com.optimizely.ab:android-sdk:0.5.0'
     compile 'com.android.support:appcompat-v7:24.2.1'
     compile 'com.android.support:design:24.2.1'
 
     testCompile "junit:junit:$junit_ver"
     testCompile "org.mockito:mockito-core:$mockito_ver"
     testCompile "com.noveogroup.android:android-logger:$android_logger_ver"
-    // testCompile 'com.optimizely.ab:android-sdk:0.3.1'
+    // testCompile 'com.optimizely.ab:android-sdk:0.5.0'
     testCompile project(':android-sdk')
 
     androidTestCompile("com.android.support.test:runner:$support_test_runner_ver")
@@ -48,6 +48,6 @@ dependencies {
     androidTestCompile "org.mockito:mockito-core:$mockito_ver"
     androidTestCompile "com.google.dexmaker:dexmaker:$dexmaker_ver"
     androidTestCompile "com.google.dexmaker:dexmaker-mockito:$dexmaker_ver"
-    // androidTestCompile 'com.optimizely.ab:android-sdk:0.3.1'
+    // androidTestCompile 'com.optimizely.ab:android-sdk:0.5.0'
     androidTestCompile project(':android-sdk')
 }