bluetooth: Refresh health indicating histograms

This change refreshes histograms that help determine the health of the
Web Bluetooth API by another year.

Bug: 1036974, 1036972, 1036971, 1036967, 1036968, 1036969, 1036966
Change-Id: I95afe1886b1ca0fc3104a8d92e39ff79838c76fb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2008285
Commit-Queue: Steven Holte <holte@chromium.org>
Reviewed-by: Steven Holte <holte@chromium.org>
Auto-Submit: Ovidio de Jesús Ruiz-Henríquez <odejesush@chromium.org>
Cr-Commit-Position: refs/heads/master@{#737847}

tools/metrics/histograms/histograms.xml

@@ -19395,7 +19395,7 @@ uploading your change for review.
 </histogram>
 
 <histogram name="Bluetooth.Web.Characteristic.WriteValue.Outcome"
-    enum="WebBluetoothGATTOperationOutcome" expires_after="M81">
+    enum="WebBluetoothGATTOperationOutcome" expires_after="2021-01-31">
   <owner>odejesush@chromium.org</owner>
   <owner>ortuno@chromium.org</owner>
   <owner>reillyg@chromium.org</owner>
@@ -19431,7 +19431,7 @@ uploading your change for review.
 </histogram>
 
 <histogram name="Bluetooth.Web.ConnectGATT.TimeFailed" units="ms"
-    expires_after="M81">
+    expires_after="2021-01-31">
   <owner>odejesush@chromium.org</owner>
   <owner>ortuno@chromium.org</owner>
   <owner>reillyg@chromium.org</owner>
@@ -19442,7 +19442,7 @@ uploading your change for review.
 </histogram>
 
 <histogram name="Bluetooth.Web.ConnectGATT.TimeSuccess" units="ms"
-    expires_after="M81">
+    expires_after="2021-01-31">
   <owner>odejesush@chromium.org</owner>
   <owner>ortuno@chromium.org</owner>
   <owner>reillyg@chromium.org</owner>
@@ -19505,7 +19505,7 @@ uploading your change for review.
 </histogram>
 
 <histogram name="Bluetooth.Web.GetCharacteristic.Outcome"
-    enum="WebBluetoothGetCharacteristicOutcome" expires_after="M81">
+    enum="WebBluetoothGetCharacteristicOutcome" expires_after="2021-01-31">
   <owner>odejesush@chromium.org</owner>
   <owner>ortuno@chromium.org</owner>
   <owner>reillyg@chromium.org</owner>
@@ -19589,7 +19589,7 @@ uploading your change for review.
 </histogram>
 
 <histogram name="Bluetooth.Web.GetPrimaryService.Outcome"
-    enum="WebBluetoothGetPrimaryServiceOutcome" expires_after="M81">
+    enum="WebBluetoothGetPrimaryServiceOutcome" expires_after="2021-01-31">
   <owner>odejesush@chromium.org</owner>
   <owner>ortuno@chromium.org</owner>
   <owner>reillyg@chromium.org</owner>
@@ -19613,7 +19613,7 @@ uploading your change for review.
 </histogram>
 
 <histogram name="Bluetooth.Web.GetPrimaryServices.Outcome"
-    enum="WebBluetoothGetPrimaryServiceOutcome" expires_after="M81">
+    enum="WebBluetoothGetPrimaryServiceOutcome" expires_after="2021-01-31">
   <owner>odejesush@chromium.org</owner>
   <owner>ortuno@chromium.org</owner>
   <owner>reillyg@chromium.org</owner>
@@ -19686,7 +19686,7 @@ uploading your change for review.
 </histogram>
 
 <histogram name="Bluetooth.Web.RequestDevice.OptionalServices.Count"
-    units="filters" expires_after="M81">
+    units="filters" expires_after="2021-01-31">
   <owner>odejesush@chromium.org</owner>
   <owner>ortuno@chromium.org</owner>
   <owner>reillyg@chromium.org</owner>
@@ -19758,7 +19758,7 @@ uploading your change for review.
 </histogram>
 
 <histogram name="Bluetooth.Web.RequestDevice.ScanningDuration" units="ms"
-    expires_after="M81">
+    expires_after="2021-01-31">
   <owner>odejesush@chromium.org</owner>
   <owner>ortuno@chromium.org</owner>
   <owner>reillyg@chromium.org</owner>
@@ -19771,7 +19771,7 @@ uploading your change for review.
 </histogram>
 
 <histogram name="Bluetooth.Web.RequestDevice.UnionOfServices.Count"
-    units="services" expires_after="M81">
+    units="services" expires_after="2021-01-31">
   <owner>odejesush@chromium.org</owner>
   <owner>ortuno@chromium.org</owner>
   <owner>reillyg@chromium.org</owner>