Export some make variables to Bazel through product variables.

Bug: 275472038
Test: CIs
Change-Id: I4fdd0f989d75045644e8f2e32d1eb77543a3b9f3
diff --git a/android/variable.go b/android/variable.go
index 496f523..aaf0606 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -469,6 +469,10 @@
 	SourceRootDirs []string `json:",omitempty"`
 
 	AfdoProfiles []string `json:",omitempty"`
+
+	ProductManufacturer string   `json:",omitempty"`
+	ProductBrand        string   `json:",omitempty"`
+	BuildVersionTags    []string `json:",omitempty"`
 }
 
 func boolPtr(v bool) *bool {