Make Smart Lock user pod icons work well with ChromeVox.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index 52442f6344bbd0a25278d116ae577c03577c039e..6560fd525a91a15bc57837a7e316c1f8d1a27d5b 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -14754,6 +14754,9 @@ Do you accept?
     <message name="IDS_EASY_UNLOCK_SCREENLOCK_USER_POD_AUTH_VALUE" desc="Message on lock screen user pod shown in place of password field when Easy Unlock is enabled and a phone that can unlock the Chromebook is detected in proximity.">
       Click to enter
     </message>
+    <message name="IDS_SMART_LOCK_SPINNER_ACCESSIBILITY_LABEL" desc="Label for the spinner icon used for accessibility purposes. This label is needed because this state does not have a tooltip.">
+      Finding your phone
+    </message>
     <!-- Device types -->
     <message name="IDS_EASY_UNLOCK_GENERIC_DEVICE_TYPE" desc="String for an unknown device type. Currently used to cover all non-ChromeOS devices.">
       Chrome device