Add RenderScript samples to the SDK.

Change-Id: I6139a792916a1cb942c05be8243d52784f39f859
diff --git a/build/sdk.atree b/build/sdk.atree
index ef8757e..29881ab 100644
--- a/build/sdk.atree
+++ b/build/sdk.atree
@@ -179,6 +179,9 @@
 development/samples/Wiktionary               samples/${PLATFORM_NAME}/Wiktionary
 development/samples/WiktionarySimple         samples/${PLATFORM_NAME}/WiktionarySimple
 development/samples/XmlAdapters              samples/${PLATFORM_NAME}/XmlAdapters
+frameworks/base/libs/rs/java/Balls           samples/${PLATFORM_NAME}/RenderScript/Balls
+frameworks/base/libs/rs/java/Fountain        samples/${PLATFORM_NAME}/RenderScript/Fountain
+frameworks/base/libs/rs/java/Samples         samples/${PLATFORM_NAME}/RenderScript/MiscSamples
 
 # NOTICE files are copied by build/core/Makefile from sdk.git
 sdk/files/sdk_files_NOTICE.txt samples/${PLATFORM_NAME}/NOTICE.txt