Adds animation as feature variation to keyboard accessory.

tools/metrics/histograms/enums.xml

Index: tools/metrics/histograms/enums.xml
diff --git a/tools/metrics/histograms/enums.xml b/tools/metrics/histograms/enums.xml
index c8a6a73f7562ff63de67b5ec88e21fe569e74eef..2d482d4a175cd1b752079c650e82928d386439f1 100644
--- a/tools/metrics/histograms/enums.xml
+++ b/tools/metrics/histograms/enums.xml
@@ -21678,6 +21678,7 @@ from previous Chrome versions.
   <int value="-268357961" label="enable-feature-policy"/>
   <int value="-254887599" label="google-profile-info"/>
   <int value="-250721831" label="AndroidAutofillAccessibility:disabled"/>
+  <int value="-248223420" label="AutofillKeyboardAccessory:disabled"/>
   <int value="-241353344" label="MidiManagerWinrt:disabled"/>
   <int value="-234966279" label="PointerEvent:disabled"/>
   <int value="-234687894"
@@ -21903,7 +21904,6 @@ from previous Chrome versions.
   <int value="644674603" label="DataReductionProxySiteBreakdown:disabled"/>
   <int value="646252875" label="ReadItLaterInMenu:enabled"/>
   <int value="646738320" label="disable-gesture-editing"/>
-  <int value="650602639" label="enable-autofill-keyboard-accessory-view"/>
   <int value="651421878" label="VideoRotateToFullscreen:enabled"/>
   <int value="652561231" label="CustomContextMenu:enabled"/>
   <int value="683410401"
@@ -22197,6 +22197,7 @@ from previous Chrome versions.
   <int value="1733390925" label="force-enable-stylus-tools"/>
   <int value="1747279677" label="disable-delegated-renderer"/>
   <int value="1752168018" label="enable-stale-while-revalidate"/>
+  <int value="1762320532" label="AutofillKeyboardAccessory:enabled"/>
   <int value="1766676896" label="affiliation-based-matching:disabled"/>
   <int value="1772454319" label="enable-storage-manager"/>
   <int value="1775475563" label="malware-interstitial-v3"/>
@@ -22208,7 +22209,6 @@ from previous Chrome versions.
   <int value="1785093465" label="enable-document-passive-event-listeners"/>
   <int value="1786229999" label="disable-md-downloads"/>
   <int value="1786386775" label="TranslateCompactUI:disabled"/>
-  <int value="1791904609" label="disable-autofill-keyboard-accessory-view"/>
   <int value="1803465156" label="enable-zero-suggest-most-visited"/>
   <int value="1809940714" label="SpeculativeLaunchServiceWorker:disabled"/>
   <int value="1812368073" label="enable-new-app-list-mixer"/>