Use the right version of build tools.

Change-Id: I80ebd53f2f46213001633c135c7fd9a5f8502658
diff --git a/tests/renderscriptMultiSrc/build.gradle b/tests/renderscriptMultiSrc/build.gradle
index 4566e47..f4b747b 100644
--- a/tests/renderscriptMultiSrc/build.gradle
+++ b/tests/renderscriptMultiSrc/build.gradle
@@ -11,7 +11,7 @@
 
 android {
     compileSdkVersion 17
-    buildToolsVersion "1.0"
+    buildToolsVersion "17.0"
 
     defaultConfig {
         renderscriptTargetApi = 11