[roll] Roll experiences [ermine] Refactor dialogs into its own library

This allows a consistent usage from both login and ermine shell.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/experiences/+/652722
Original-Revision: b4d322139503eb519acac2b36e3cd8c1afbe0722
GitOrigin-RevId: 88b026a3a96e0c574794594d4cdb8143255f8ae2
Change-Id: I58610f9c1fb0df1dc81004292d53fbb7abc51a13
diff --git a/flower b/flower
index f1b8514..050c69c 100644
--- a/flower
+++ b/flower
@@ -11,6 +11,6 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/experiences"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="06c59d58e7ef4fe1550a5ac83a459d7ae39ce15a"/>
+             revision="b4d322139503eb519acac2b36e3cd8c1afbe0722"/>
   </projects>
 </manifest>