Update tab hover card default flag setting to Enabled B.

This change increases the delay before a hover card will appear.

Bug: 910739
Change-Id: I1bfc24b6ab56316fd3d05147e1c46fd6add5169d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1961078Reviewed-by: Peter Boström <pbos@chromium.org>
Commit-Queue: Caroline Rising <corising@chromium.org>
Cr-Commit-Position: refs/heads/master@{#723626}

chrome/browser/ui/views/tabs/tab_hover_card_bubble_view.cc

@@ -62,7 +62,7 @@ bool AreHoverCardImagesEnabled() {
 base::TimeDelta GetMinimumTriggerDelay() {
   int delay_group = base::GetFieldTrialParamByFeatureAsInt(
       features::kTabHoverCards, features::kTabHoverCardsFeatureParameterName,
-      2);
+      1);
   switch (delay_group) {
     case 2:
       return base::TimeDelta::FromMilliseconds(150);
@@ -77,7 +77,7 @@ base::TimeDelta GetMinimumTriggerDelay() {
 base::TimeDelta GetMaximumTriggerDelay() {
   int delay_group = base::GetFieldTrialParamByFeatureAsInt(
       features::kTabHoverCards, features::kTabHoverCardsFeatureParameterName,
-      2);
+      1);
   switch (delay_group) {
     case 2:
       return base::TimeDelta::FromMilliseconds(500);