Propagate owner property for apex modules

Bug: 160165426
Test: lunch aosp_taimen && m nothing
Change-Id: I1d274ea376c58ff44d69ef5440c919b67079ae4a
diff --git a/android/module.go b/android/module.go
index 5bccb79..cd4baab 100644
--- a/android/module.go
+++ b/android/module.go
@@ -221,6 +221,7 @@
 	Disable()
 	Enabled() bool
 	Target() Target
+	Owner() string
 	InstallInData() bool
 	InstallInTestcases() bool
 	InstallInSanitizerDir() bool