DO NOT MERGE ANYWHERE - Update main-plus-java-next-dev to use main branch.

Bug: b/289400079
Change-Id: I0e9967af0b2dcb33fc81c03bad64c32a0bf855f0
diff --git a/default.xml b/default.xml
index 7718e4b..cbd1ad7 100644
--- a/default.xml
+++ b/default.xml
@@ -4,7 +4,7 @@
   <remote  name="aosp"
            fetch=".."
            review="https://android-review.googlesource.com/" />
-  <default revision="master"
+  <default revision="main"
            remote="aosp"
            sync-j="4" />