Add MD ink drop ripple to app list button

ui/views/controls/button/md_text_button.cc

Index: ui/views/controls/button/md_text_button.cc
diff --git a/ui/views/controls/button/md_text_button.cc b/ui/views/controls/button/md_text_button.cc
index fb422e7ddde3f45ea7b3953e65a3b35d804ce501..7703842cd7bb4152bc879e828dc8f862ba3053cd 100644
--- a/ui/views/controls/button/md_text_button.cc
+++ b/ui/views/controls/button/md_text_button.cc
@@ -212,7 +212,7 @@ MdTextButton::MdTextButton(ButtonListener* listener)
     : LabelButton(listener, base::string16()),
       focus_ring_(new internal::MdFocusRing()),
       is_cta_(false) {
-  SetHasInkDrop(true);
+  SetInkDropMode(INK_DROP_WITH_GESTURE_HANDLING);
   set_has_ink_drop_action_on_click(true);
   SetHorizontalAlignment(gfx::ALIGN_CENTER);
   SetFocusForPlatform();