bump version to 89

Change-Id: I1b4fc5c94182449e8efc2e6a8ce537ea6d50733d
diff --git a/ring-android/app/src/main/AndroidManifest.xml b/ring-android/app/src/main/AndroidManifest.xml
index 1e24c10..700e391 100644
--- a/ring-android/app/src/main/AndroidManifest.xml
+++ b/ring-android/app/src/main/AndroidManifest.xml
@@ -20,8 +20,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="cx.ring"
     android:installLocation="auto"
-    android:versionCode="88"
-    android:versionName="20170722">
+    android:versionCode="89"
+    android:versionName="20170803">
 
     <supports-screens
         android:anyDensity="true"