Add josiahk+watch@chromium.org to accessibility and chromevox watchlists

AX-Relnotes: N/A
Change-Id: Id6b8b37f5dadabf689aceafda8fd8f5636fbfabe
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2406374Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
Commit-Queue: Dominic Mazzoni <dmazzoni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#806236}

WATCHLISTS

@@ -2049,6 +2049,7 @@
                       'dtseng+watch@chromium.org',
                       'hirokisato+watch@chromium.org',
                       'je_julie.kim@chromium.org',
+                      'josiahk+watch@chromium.org',
                       'kbabbitt@microsoft.com',
                       'nektar+watch@chromium.org',
                       'sarakato+watch@chromium.org',
@@ -2373,9 +2374,10 @@
     'chromeos_wifi_sync': ['jonmann+watch@chromium.org',
                            'stevenjb+watch@chromium.org',
                            'vecore+watch@google.com'],
-    'chromevox': ['anastasi+watch@google.com',
+    'chromevox': ['akihiroota@chromium.org',
+                  'anastasi+watch@google.com',
                   'dtseng+chromevox@chromium.org',
-                  'akihiroota@chromium.org'],
+                  'josiahk+watch@chromium.org'],
     'clang_update': ['dcheng@chromium.org',
                      'eugenis+clang@chromium.org',
                      'gbiv+clang@chromium.org',