Increase version to alpha2.

Bug: 36069458
Test: n/a
Change-Id: If5fbcc5d046d7395a3ba84eb1df5d8b6938266d3
diff --git a/app-toolkit/dependencies.gradle b/app-toolkit/dependencies.gradle
index f1e2a91..2987c34 100644
--- a/app-toolkit/dependencies.gradle
+++ b/app-toolkit/dependencies.gradle
@@ -84,5 +84,5 @@
 ext.tools.current_sdk = gradle.ext.currentSdk
 ext.tools.build_tools_version = rootProject.ext.buildToolsVersion
 ext.flatfoot = [:]
-ext.flatfoot.release_version = "1.0.0-alpha1"
+ext.flatfoot.release_version = "1.0.0-alpha2"
 ext.flatfoot.min_sdk = 14