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 fd6822ad4114c3992d45523e41e87149c118cbd8..d1f1a45a80dc49f0302bd2ee162b1dc237fd0a9a 100644
--- a/ui/views/controls/button/md_text_button.cc
+++ b/ui/views/controls/button/md_text_button.cc
@@ -167,7 +167,7 @@ MdTextButton::MdTextButton(ButtonListener* listener)
     : LabelButton(listener, base::string16()),
       focus_ring_(new MdFocusRing()),
       cta_(false) {
-  SetHasInkDrop(true);
+  SetHasInkDrop(INK_DROP_WITH_GESTURE_HANDLING);
   set_has_ink_drop_action_on_click(true);
   SetHorizontalAlignment(gfx::ALIGN_CENTER);
   SetFocusForPlatform();