Fix build.gradle for gridlayout-v7

Change-Id: Id6795bb5b2699e0837841268ba167191d71022b2
diff --git a/v7/gridlayout/build.gradle b/v7/gridlayout/build.gradle
index 4fc6b12..11406a2 100644
--- a/v7/gridlayout/build.gradle
+++ b/v7/gridlayout/build.gradle
@@ -2,8 +2,12 @@
 
 archivesBaseName = 'gridlayout-v7'
 
+dependencies {
+    compile project(':v4')
+}
+
 android {
-    compileSdkVersion "unstubbed"
+    compileSdkVersion 7
     buildToolsVersion "17"
 
     sourceSets {