Revert "Roll engine 5646e86a6f44..2584816d78a3 (2 commits)" (#24200)

* Revert "Make host app test actually test host app (#24131)"

This reverts commit 27293857588a5009219e634da2dde9dca4f7372f.

* Revert "Roll engine 5646e86a6f44..2584816d78a3 (2 commits) (#24197)"

This reverts commit 846a5eea5590e4b0c0e808bf6c6302cafe494483.

bin/internal/engine.version

diff --git a/bin/internal/engine.version b/bin/internal/engine.version
index 27a3a1b..14d8a6f 100644
--- a/bin/internal/engine.version
+++ b/bin/internal/engine.version
@@ -1 +1 @@
-2584816d78a365bd8192edbeec2d509d5df90b01
+5646e86a6f442dc6f4158ae7010ab13d72a0b356