Manifest for Android Mainline 12.0.0 Release 100 (8305796,com.google.android.networkstack)

Change-Id: I596cf8b65db73fe7a6b3064cdd8ae0983b567be1
diff --git a/default.xml b/default.xml
index 3c422ce..255c054 100644
--- a/default.xml
+++ b/default.xml
@@ -4,7 +4,7 @@
   <remote  name="aosp"
            fetch=".."
            review="https://android-review.googlesource.com/" />
-  <default revision="refs/tags/android-mainline-12.0.0_r77"
+  <default revision="refs/tags/android-mainline-12.0.0_r100"
            remote="aosp"
            sync-j="4" />