Build transitive lint reports for apex modules

Build and export transitive lint report zips for apex modules.

Bug: 153485543
Test: m TARGET_BUILD_APPS=com.google.android.wifi lint-check dist
Change-Id: I5a1805440452301a7e2c4ca91482b989638b54fb
diff --git a/java/sdk_library.go b/java/sdk_library.go
index e3ba2c7..8a8d0c9 100644
--- a/java/sdk_library.go
+++ b/java/sdk_library.go
@@ -1996,6 +1996,15 @@
 }
 
 // to satisfy apex.javaDependency interface
+func (module *SdkLibraryImport) LintDepSets() LintDepSets {
+	if module.implLibraryModule == nil {
+		return LintDepSets{}
+	} else {
+		return module.implLibraryModule.LintDepSets()
+	}
+}
+
+// to satisfy apex.javaDependency interface
 func (module *SdkLibraryImport) Stem() string {
 	return module.BaseModuleName()
 }