Moving renderscript sdk samples to their correct location.

Change-Id: I27de909cf0dbd91319c0eefebd0184ecc5c12dc9
diff --git a/samples/RenderScript/Android.mk b/samples/RenderScript/Android.mk
new file mode 100644
index 0000000..5053e7d
--- /dev/null
+++ b/samples/RenderScript/Android.mk
@@ -0,0 +1 @@
+include $(call all-subdir-makefiles)