Provided dependencies can no longer be library projects, only JARs.

library/build.gradle

@@ -20,7 +20,7 @@ dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     compile 'com.android.support:appcompat-v7:21.0.3'
     compile 'com.android.support:support-annotations:21.0.3'
-    provided 'com.android.support:recyclerview-v7:21.0.3'
+    compile 'com.android.support:recyclerview-v7:21.0.3'
 }
 
 publish {