Update ActivityEmbedding usage.

Update ActivityEmbedding usage.

Bug: 259592300
Test: build.
Change-Id: I8e4aa8daf51cb9c669d06b152cc5a2fc69a06571
Merged-In: I8e4aa8daf51cb9c669d06b152cc5a2fc69a06571
(cherry picked from commit a9394d1796c3f752d77f63417ab283ac2028c5be)
6 files changed