Added patch from upstream [1] to fix build error cannot find symbol List<?>

[1] 2bbe83057b

metadata/org.wordpress.android.txt

@@ -111,9 +111,9 @@ Build:2.5.1,85
         echo wp.GCM_ID="wordpress" >> local.properties
 
 Build:2.6 RC 2,90
-    disable=Doesn't build - ApiHelper.java:412: cannot find symbol List<?>, see: https://github.com/wordpress-mobile/WordPress-Android/issues/678
     commit=2.6-rc-2
     gradle=yes
+    patch=list.patch
     prebuild=cp local.properties-example local.properties && \
         sed -e "/sdk.dir/ s#.*#sdk.dir=$$SDK$$#" -i local.properties
 

metadata/org.wordpress.android/list.patch

@@ -0,0 +1,22 @@
+diff --git a/src/org/xmlrpc/android/ApiHelper.java b/src/org/xmlrpc/android/ApiHelper.java
+index fcdd0b3..44e88a9 100644
+--- a/src/org/xmlrpc/android/ApiHelper.java
++++ b/src/org/xmlrpc/android/ApiHelper.java
+@@ -144,7 +144,7 @@ public class ApiHelper {
+         public void onSuccess();
+     }
+ 
+-    public static class GetPostFormatsTask extends HelperAsyncTask<List<?>, Void, Object> {
++    public static class GetPostFormatsTask extends HelperAsyncTask<java.util.List<?>, Void, Object> {
+         private Blog mBlog;
+ 
+         @Override
+@@ -409,7 +409,7 @@ public class ApiHelper {
+         }
+     }
+     
+-    public static class SyncMediaLibraryTask extends HelperAsyncTask<List<?>, Void, Integer> {
++    public static class SyncMediaLibraryTask extends HelperAsyncTask<java.util.List<?>, Void, Integer> {
+         public interface Callback extends GenericErrorCallback {
+             public void onSuccess(int results);
+         }