Check package restrictions for Java libs.

Test: m checkbuild; inspect verbose log.
Test: Manual - compile with unmet restrictions.
Bug: 122937705
Change-Id: I9360ae8b6d9ce016b7827be5e8ffc6eb521809b7

java/androidmk.go

@@ -79,6 +79,10 @@ func (library *Library) AndroidMk() android.AndroidMkData {
 					fmt.Fprintln(w, "LOCAL_EXPORT_SDK_LIBRARIES :=", strings.Join(library.exportedSdkLibs, " "))
 				}
 
+				if len(library.additionalCheckedModules) != 0 {
+					fmt.Fprintln(w, "LOCAL_ADDITIONAL_CHECKED_MODULE +=", strings.Join(library.additionalCheckedModules.Strings(), " "))
+				}
+
 				// Temporary hack: export sources used to compile framework.jar to Make
 				// to be used for droiddoc
 				// TODO(ccross): remove this once droiddoc is in soong