Convert apex_available (for supported modules) to bazel tags.

The tags will then be read by an aspect applied from apex attributes to
validate that the deps are explicitly opt-in to the appropriate apex.

The semantics of this is the same as the Soong apex_available property.

This also adds the "base_apex_name" attr to override_apex conversion so
that apex_available checks continue to work on the non-Google and non-Go
apex names.

Test: presubmits
Fixes: 218841706
Change-Id: I19b3637da9aa47573b252d74f62b601fbdc3784d

cc/binary.go

@@ -655,11 +655,12 @@ func binaryBp2build(ctx android.TopDownMutatorContext, m *Module) {
 	// shared with cc_test
 	binaryAttrs := binaryBp2buildAttrs(ctx, m)
 
+	tags := android.ApexAvailableTags(m)
 	ctx.CreateBazelTargetModule(bazel.BazelTargetModuleProperties{
 		Rule_class:        "cc_binary",
 		Bzl_load_location: "//build/bazel/rules/cc:cc_binary.bzl",
 	},
-		android.CommonAttributes{Name: m.Name()},
+		android.CommonAttributes{Name: m.Name(), Tags: tags},
 		&binaryAttrs)
 }