Rename TransitionMutator top down mutator

TransitionMutator's top down mutator is suffixed with _deps, but
that name is often used by other mutators related to the
TransitionMutator, causing unexpected conflicts.  Use _propagate
instead.

Bug: 319288033
Test: all soong tests pass
Flag: NONE
Change-Id: Ib42c66288e47287cfda8252d435f86c7045bf4c0
diff --git a/transition.go b/transition.go
index 6a03e1d..b5a46c2 100644
--- a/transition.go
+++ b/transition.go
@@ -294,7 +294,7 @@
 func (c *Context) RegisterTransitionMutator(name string, mutator TransitionMutator) {
 	impl := &transitionMutatorImpl{name: name, mutator: mutator}
 
-	c.RegisterTopDownMutator(name+"_deps", impl.topDownMutator).Parallel()
+	c.RegisterTopDownMutator(name+"_propagate", impl.topDownMutator).Parallel()
 	c.RegisterBottomUpMutator(name, impl.bottomUpMutator).Parallel().setTransitionMutator(impl)
 	c.RegisterBottomUpMutator(name+"_mutate", impl.mutateMutator).Parallel()
 }