Do not follow SDK member dependencies for APEX payloads.

Test: m nothing
Test: `m` with prebuilts/runtime in the manifest (along with other
  fixes)
Bug: 151303681
Change-Id: I450d476975c7ab4434228b8c4baf3af192142211

sdk/sdk.go

@@ -330,6 +330,11 @@ type dependencyTag struct {
 	blueprint.BaseDependencyTag
 }
 
+// Mark this tag so dependencies that use it are excluded from APEX contents.
+func (t dependencyTag) ExcludeFromApexContents() {}
+
+var _ android.ExcludeFromApexContentsTag = dependencyTag{}
+
 // For dependencies from an in-development version of an SDK member to frozen versions of the same member
 // e.g. libfoo -> libfoo.mysdk.11 and libfoo.mysdk.12
 type sdkMemberVersionedDepTag struct {