Make sure dist files have license metadata.

Bug: 151177513
Bug: 210912771

Test: m droid dist reportmissinglicenses

Change-Id: I0c85f6c49a3e9d9bb3219ed6ddfb939d90f80656
diff --git a/java/androidmk.go b/java/androidmk.go
index 330e594..82ef413 100644
--- a/java/androidmk.go
+++ b/java/androidmk.go
@@ -623,6 +623,7 @@
 					if dstubs.apiLintReport != nil {
 						fmt.Fprintf(w, "$(call dist-for-goals,%s,%s:%s)\n", dstubs.Name()+"-api-lint",
 							dstubs.apiLintReport.String(), "apilint/"+dstubs.Name()+"-lint-report.txt")
+						fmt.Fprintf(w, "$(call declare-0p-target,%s)\n", dstubs.apiLintReport.String())
 					}
 				}
 				if dstubs.checkNullabilityWarningsTimestamp != nil {