Ignore test apexes from bp2build generated tags

Soong does not enforce apex_available on the contents of test apex. To
prevent special-casing test apexes in the apex validation aspect in
Bazel, drop the test apexes from the tags altogether.

( The core problem I am trying to solve is making sure that stub
libraries in Bazel have a single apex available. apex validation happens
to be a nice side benefit)

Bug: 277651159
Test: go test ./bp2build
Change-Id: Ibb3cfedb5c0f2cda0464bf3758c70b67cb5885d1
diff --git a/cc/bp2build.go b/cc/bp2build.go
index ad9d702..820e97f 100644
--- a/cc/bp2build.go
+++ b/cc/bp2build.go
@@ -270,7 +270,7 @@
 	attrs.Srcs_c = partitionedSrcs[cSrcPartition]
 	attrs.Srcs_as = partitionedSrcs[asSrcPartition]
 
-	attrs.Apex_available = android.ConvertApexAvailableToTags(apexAvailable)
+	attrs.Apex_available = android.ConvertApexAvailableToTagsWithoutTestApexes(ctx.(android.TopDownMutatorContext), apexAvailable)
 
 	attrs.Features.Append(convertHiddenVisibilityToFeatureStaticOrShared(ctx, module, isStatic))
 
@@ -923,7 +923,7 @@
 			return false
 		})
 
-		apexAvailableTags := android.ApexAvailableTags(ctx.Module())
+		apexAvailableTags := android.ApexAvailableTagsWithoutTestApexes(ctx.(android.TopDownMutatorContext), ctx.Module())
 		sdkAttrs := bp2BuildParseSdkAttributes(m)
 
 		if !aidlSrcs.IsEmpty() {