Convert to Android.bp

See build/soong/README.md for more information

Test: mmma -j frameworks/av
Change-Id: I1b8deeec65e2cfa1633354712004ef87f3ac8b3e
diff --git a/media/libeffects/Android.bp b/media/libeffects/Android.bp
new file mode 100644
index 0000000..ccaa2b4
--- /dev/null
+++ b/media/libeffects/Android.bp
@@ -0,0 +1 @@
+subdirs = ["factory"]