fix lint warning

Signed-off-by: tobiasKaminsky <tobias@kaminsky.me>

src/main/java/com/owncloud/android/ui/components/CustomViewPager.java

@@ -1,5 +1,6 @@
 package com.owncloud.android.ui.components;
 
+import android.annotation.SuppressLint;
 import android.content.Context;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
@@ -18,6 +19,7 @@ public class CustomViewPager extends ViewPager {
         super(context, attrs);
     }
 
+    @SuppressLint("ClickableViewAccessibility")
     @Override
     public boolean onTouchEvent(MotionEvent ev) {
         try {