Add shend and myy to ui_chromeos_strings.grd owners

Bug: None
Change-Id: Icd11d5edca583b42c7d63b79d679936aad2e8e08
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2517343
Commit-Queue: My Nguyen <myy@chromium.org>
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#824137}

ui/chromeos/OWNERS

@@ -5,4 +5,7 @@ oshima@chromium.org
 xiyuan@chromium.org
 
 per-file file_manager_strings.grdp=*
+# For input-related naming change
+per-file ui_chromeos_strings.grd=shend@chromium.org
+per-file ui_chromeos_strings.grd=myy@chromium.org
 # COMPONENT: UI