fixed travis bug

src/com/owncloud/android/datamodel/FileDataStorageManager.java

@@ -1435,7 +1435,7 @@ public class FileDataStorageManager {
                 c = null;
             }
         }
-        ArrayList<OCShare> shares = new ArrayList<>();
+        ArrayList<OCShare> shares = new ArrayList<OCShare>();
         OCShare share = null;
         if (c.moveToFirst()) {
             do {

src/com/owncloud/android/ui/fragment/ShareFileFragment.java

@@ -189,8 +189,8 @@ public class ShareFileFragment extends Fragment
     }
 
     // Get users and groups to fill the "share with" list
-    private void getShares() {
-        mShares = new ArrayList<>();
+    private void getShares(){
+        mShares = new ArrayList<OCShare>();
 
         // Get Users and Groups
         FileDataStorageManager fileDataStorageManager =