Update google_drive policy descriptions

Bug: 1018157
Change-Id: I974bd644b14af88b753c29258f56968572501e4d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2295707Reviewed-by: Owen Min <zmin@chromium.org>
Commit-Queue: Chris Sharp <csharp@chromium.org>
Cr-Commit-Position: refs/heads/master@{#789933}

components/policy/resources/policy_templates.json

@@ -9488,9 +9488,9 @@
       'id': 139,
       'caption': '''Disable Drive in the <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> Files app''',
       'tags': [],
-      'desc': '''Disables Google Drive syncing in the <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> Files app when set to True. In that case, no data is uploaded to Google Drive.
+      'desc': '''Setting the policy to Enabled turns off <ph name="GOOGLE_DRIVE_NAME">Google Drive</ph> syncing in the <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> Files app. No data is uploaded to Drive.
 
-          If not set or set to False, then users will be able to transfer files to Google Drive.''',
+      Setting the policy to Disabled or leaving it unset lets users transfer files to Drive.''',
       'arc_support': 'This policy does not prevent the user from using the Android Google Drive app. If you want to prevent access to Google Drive, you should disallow installation of the Android Google Drive app as well.',
     },
     {
@@ -9507,9 +9507,9 @@
       'id': 140,
       'caption': '''Disable Google Drive over cellular connections in the <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> Files app''',
       'tags': [],
-      'desc': '''Disables Google Drive syncing in the <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> Files app when using a cellular connection when set to True. In that case, data is only synced to Google Drive when connected via WiFi or Ethernet.
+      'desc': '''Setting the policy to Enabled turns off <ph name="GOOGLE_DRIVE_NAME">Google Drive</ph> syncing in the <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> Files app when on a cellular connection. Data is only synced to Drive when connected through Wi-Fi or Ethernet.
 
-          If not set or set to False, then users will be able to transfer files to Google Drive via cellular connections.''',
+      Setting the policy to Disabled or leaving it unset lets users transfer files to Drive on cellular connections.''',
       'arc_support': 'This policy has no effect on the Android Google Drive app. If you want to prevent use of Google Drive over cellular connections, you should disallow installation of the Android Google Drive app.',
     },
     {