Improve docs for Deapexer modules

The provider does not get bubbled up, so remove this misleading comment.

Test: doc change
Change-Id: Ife110aa75c8910042cf9c6e358a44d1a5cf4f5c3

apex/prebuilt.go

diff --git a/apex/prebuilt.go b/apex/prebuilt.go
index 20a13c3..afb900a 100644
--- a/apex/prebuilt.go
+++ b/apex/prebuilt.go
@@ -779,7 +779,7 @@
 func (p *prebuiltCommon) DepsMutator(ctx android.BottomUpMutatorContext) {
 	if p.hasExportedDeps() {
 		// Create a dependency from the prebuilt apex (prebuilt_apex/apex_set) to the internal deapexer module
-		// The deapexer will return a provider that will be bubbled up to the rdeps of apexes (e.g. dex_bootjars)
+		// The deapexer will return a provider which will be used to determine the exported artfifacts from this prebuilt.
 		ctx.AddDependency(ctx.Module(), android.DeapexerTag, deapexerModuleName(p.Name()))
 	}
 }