[WebOTP] Add majidvp@ to OWNERS

R=goto@chromium.org

Change-Id: I2ec08e9a5c7610066d04860555e1d9bf03432c26
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2456147Reviewed-by: Sam Goto <goto@chromium.org>
Commit-Queue: Majid Valipour <majidvp@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814725}

content/browser/sms/OWNERS

 # Primary
 goto@chromium.org
+majidvp@chromium.org
 
 # Secondary
 reillyg@chromium.org