Add ph for Chrome Browser Cloud Management

Change-Id: Idb5111fb165d139be00cb26aab5f53154d5f3151
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2356186
Commit-Queue: Chris Sharp <csharp@chromium.org>
Reviewed-by: Owen Min <zmin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#798612}

docs/enterprise/description_guidelines.md

@@ -3,6 +3,7 @@ how various product names and the like should be referenced.
 
 * Chrome: `<ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph>`
 * Chrome OS: `<ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph>`
+* Chrome Browser Cloud Management: `<ph name="CHROME_BROWSER_CLOUSE_MANAGEMENT_NAME">Chrome Browser Cloud Management</ph>`
 * Linux: `<ph name="LINUX_OS_NAME">Linux</ph>`
 * Internet Explorer: `<ph name="IE_PRODUCT_NAME">Internet® Explorer®</ph>`
 * Google Cast: `<ph name="PRODUCT_NAME">Google Cast</ph>`