omni: repo tools: Bump default branch.

Change-Id: I24cf5b502d16e01a1fdb247224e03e5ed8a472f2
Signed-off-by: Alexander Diewald <Diewi@diewald-net.com>
diff --git a/utils/aosp-push-merge.sh b/utils/aosp-push-merge.sh
index f8aff4d..c9321c1 100755
--- a/utils/aosp-push-merge.sh
+++ b/utils/aosp-push-merge.sh
@@ -19,7 +19,7 @@
 
 url="gerrit.omnirom.org"
 port="29418"
-branch="android-8.0"
+branch="android-8.1"
 
 cd ../../../