Update path in README.md

Change-Id: I86914aec6987c0a1ece8610961621bc44266badc
diff --git a/README.md b/README.md
index c05c417..8271f8d 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@
 
 Then Build SL4A:
 
-    cd <ANDROID_SOURCE_ROOT>/packages/apps/Test/connectivity/sl4a
+    cd <ANDROID_SOURCE_ROOT>/external/sl4a
     mm [-j15]
 
 ### Adding SL4A Builds to Android Builds by Default