More fixes for decorator refactor.

Didn't catch these the first time because I hadn't done a clean build.

Test: rm -rf out && make ndk
Change-Id: Ia66ad614d2163272889ee6937a6449c44db16ac0
diff --git a/cc/androidmk.go b/cc/androidmk.go
index c19aa17..283fe27 100644
--- a/cc/androidmk.go
+++ b/cc/androidmk.go
@@ -206,6 +206,8 @@
 	ret.Extra = append(ret.Extra, func(w io.Writer, outputFile android.Path) error {
 		path, file := filepath.Split(c.installPath)
 		stem := strings.TrimSuffix(file, filepath.Ext(file))
+		fmt.Fprintln(w, "LOCAL_SYSTEM_SHARED_LIBRARIES :=")
+		fmt.Fprintln(w, "LOCAL_MODULE_SUFFIX := "+outputFile.Ext())
 		fmt.Fprintln(w, "LOCAL_MODULE_PATH := "+path)
 		fmt.Fprintln(w, "LOCAL_MODULE_STEM := "+stem)