clean up Android Beam sample

Change-Id: Ieffe60c0a17509284a112eb11a7588e80e1578ee
diff --git a/build/sdk.atree b/build/sdk.atree
index c5d5798..02ed980 100644
--- a/build/sdk.atree
+++ b/build/sdk.atree
@@ -153,6 +153,7 @@
 #
 development/samples/AccessibilityService       samples/${PLATFORM_NAME}/AccessibilityService
 development/samples/AccelerometerPlay          samples/${PLATFORM_NAME}/AccelerometerPlay
+development/samples/AndroidBeam                samples/${PLATFORM_NAME}/AndroidBeam
 development/samples/ApiDemos                   samples/${PLATFORM_NAME}/ApiDemos
 development/samples/BackupRestore              samples/${PLATFORM_NAME}/BackupRestore
 development/samples/BasicGLSurfaceView         samples/${PLATFORM_NAME}/BasicGLSurfaceView