Add last released API check to checkapi for public Android API

Test: make droid
Bug: 123222452
Change-Id: I2b0b6c9196bfb963bd6085554ff6fdcc9cb53942
diff --git a/java/androidmk.go b/java/androidmk.go
index ccb5109..62d754a 100644
--- a/java/androidmk.go
+++ b/java/androidmk.go
@@ -381,6 +381,15 @@
 					fmt.Fprintln(w, ".PHONY:", ddoc.Name()+"-check-last-released-api")
 					fmt.Fprintln(w, ddoc.Name()+"-check-last-released-api:",
 						ddoc.checkLastReleasedApiTimestamp.String())
+
+					if ddoc.Name() == "api-stubs-docs" {
+						fmt.Fprintln(w, ".PHONY: checkapi")
+						fmt.Fprintln(w, "checkapi:",
+							ddoc.checkLastReleasedApiTimestamp.String())
+
+						fmt.Fprintln(w, ".PHONY: droidcore")
+						fmt.Fprintln(w, "droidcore: checkapi")
+					}
 				}
 				apiFilePrefix := "INTERNAL_PLATFORM_"
 				if String(ddoc.properties.Api_tag_name) != "" {
@@ -459,6 +468,15 @@
 					fmt.Fprintln(w, ".PHONY:", dstubs.Name()+"-check-last-released-api")
 					fmt.Fprintln(w, dstubs.Name()+"-check-last-released-api:",
 						dstubs.checkLastReleasedApiTimestamp.String())
+
+					if dstubs.Name() == "api-stubs-docs" {
+						fmt.Fprintln(w, ".PHONY: checkapi")
+						fmt.Fprintln(w, "checkapi:",
+							dstubs.checkLastReleasedApiTimestamp.String())
+
+						fmt.Fprintln(w, ".PHONY: droidcore")
+						fmt.Fprintln(w, "droidcore: checkapi")
+					}
 				}
 				if dstubs.checkNullabilityWarningsTimestamp != nil {
 					fmt.Fprintln(w, ".PHONY:", dstubs.Name()+"-check-nullability-warnings")