version updates from source clear (#220)

Author: shihpatrick

build.gradle

@@ -61,7 +61,7 @@ ext {
     support_test_runner_ver = "0.5"
     dexmaker_ver = "1.2"
     espresso_ver = "2.2.2"
-    gson_ver = "2.6.2"
+    gson_ver = "2.8.5"
     group_id = "com.optimizely.ab"
 }
 

test-app/build.gradle

@@ -46,9 +46,9 @@ dependencies {
     compile 'com.android.support:design:24.2.1'
     // EXAMPLE REPLACE noveogroup android-looger with slf4j-android logger
     // https://mvnrepository.com/artifact/org.slf4j/slf4j-android
-    compile group: 'org.slf4j', name: 'slf4j-android', version: '1.7.10'
+    compile group: 'org.slf4j', name: 'slf4j-android', version: '1.7.25'
     // EXAMPLE REPLACE gson json parsing with jackson-databind json parsing.
-    compile group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version: '2.7.1'
+    compile group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version: '2.9.6'
 
     testCompile "junit:junit:$junit_ver"
     testCompile "org.mockito:mockito-core:$mockito_ver"