Revert "Reland "Enable flag TabToGTSAnimation by default""

This reverts commit b6532ab4.

Reason for revert: likely caused CI test failures. crbug.com/1001970

Original change's description:
> Reland "Enable flag TabToGTSAnimation by default"
> 
> This is a reland of a90f0d96
> 
> Original change's description:
> > Enable flag TabToGTSAnimation by default
> >
> > Also update the default parameter of zooming-min-sdk-version to M.
> >
> > TBR=twellington@chromium.org
> >
> > Bug: 964406
> > Change-Id: I3a23e20511f9ecb48ed70fd6952f36b06191817c
> > Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1743106
> > Commit-Queue: Wei-Yin Chen (陳威尹) <wychen@chromium.org>
> > Reviewed-by: Matthew Jones <mdjones@chromium.org>
> > Reviewed-by: Mei Liang <meiliang@chromium.org>
> > Cr-Commit-Position: refs/heads/master@{#689627}
> 
> TBR=mdjones@chromium.org
> 
> Bug: 964406, 997065
> Change-Id: Iff003fda8274e0715b3e9ab492286218b649cdbf
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1767611
> Reviewed-by: Wei-Yin Chen (陳威尹) <wychen@chromium.org>
> Commit-Queue: Wei-Yin Chen (陳威尹) <wychen@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#694616}

TBR=mdjones@chromium.org,wychen@chromium.org,meiliang@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 964406, 1001970
Change-Id: I962deeba786428a6bd0ec82d063f5163d1aa1e8d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1797094Reviewed-by: Wei-Yin Chen (陳威尹) <wychen@chromium.org>
Commit-Queue: Wei-Yin Chen (陳威尹) <wychen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#695768}

chrome/android/java/src/org/chromium/chrome/browser/util/FeatureUtilities.java

@@ -758,7 +758,7 @@ public class FeatureUtilities {
     private static class GridTabSwitcherUtil {
         // Field trial parameter for the minimum Android SDK version to enable zooming animation.
         private static final String MIN_SDK_PARAM = "zooming-min-sdk-version";
-        private static final int DEFAULT_MIN_SDK = Build.VERSION_CODES.M;
+        private static final int DEFAULT_MIN_SDK = Build.VERSION_CODES.O;
 
         // Field trial parameter for the minimum physical memory size to enable zooming animation.
         private static final String MIN_MEMORY_MB_PARAM = "zooming-min-memory-mb";

chrome/browser/android/chrome_feature_list.cc

@@ -553,7 +553,7 @@ const base::Feature kTabSwitcherOnReturn{"TabSwitcherOnReturn",
                                          base::FEATURE_DISABLED_BY_DEFAULT};
 
 const base::Feature kTabToGTSAnimation{"TabToGTSAnimation",
-                                       base::FEATURE_ENABLED_BY_DEFAULT};
+                                       base::FEATURE_DISABLED_BY_DEFAULT};
 
 const base::Feature kTrustedWebActivity{"TrustedWebActivity",
                                         base::FEATURE_ENABLED_BY_DEFAULT};