VT: Rename SharedElementTransition to ViewTransition in uma metrics

OBSOLETE_HISTOGRAM[Memory.Renderer.EvictedLockedResources.SharedElementTransition]=Replaced by Memory.Renderer.EvictedLockedResources.ViewTransition

R=khushalsagar@chromium.org

Change-Id: Ie517364b83d7cfd4ebb75f79c520c4bff8923d90
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5588886
Reviewed-by: Jesse Doherty <jwd@chromium.org>
Reviewed-by: Khushal Sagar <khushalsagar@chromium.org>
Auto-Submit: Vladimir Levin <vmpstr@chromium.org>
Reviewed-by: Benoit Lize <lizeb@chromium.org>
Commit-Queue: Vladimir Levin <vmpstr@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1310070}