Set version to alpha 8.

Bug:36069458
Test: N/A
Change-Id: I143d22c7ca3750ae341ebb396a6882b10877f88a
diff --git a/buildSrc/src/main/java/android/support/LibraryVersions.java b/buildSrc/src/main/java/android/support/LibraryVersions.java
index 503fe1d..6b15a48 100644
--- a/buildSrc/src/main/java/android/support/LibraryVersions.java
+++ b/buildSrc/src/main/java/android/support/LibraryVersions.java
@@ -28,7 +28,7 @@
     /**
      * Version code of the flatfoot libraries.
      */
-    public static final Version FLATFOOT = new Version("1.0.0-alpha7");
+    public static final Version FLATFOOT = new Version("1.0.0-alpha8");
 
     /**
      * Version code of the lifecycles library.