Add missing permission_broker methods to service_constants.h.

Constants for the following new permission broker methods were missing:

- ReleaseTcpPort
- ReleaseUdpPort
- RequestVpnSetup
- RemoveVpnSetup

BUG=chromium:435404
TEST=Built packages for amd64-generic.

Change-Id: Id114390163c0af63052123b4ade4651e50b43a1d
Reviewed-on: https://chromium-review.googlesource.com/252450
Tested-by: Reilly Grant <reillyg@chromium.org>
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Commit-Queue: Reilly Grant <reillyg@chromium.org>
1 file changed
tree: 22549a15ba1f55cf9c2b6d6da425561a16ae9d0a
  1. constants/
  2. dbus/
  3. switches/
  4. OWNERS
  5. README
  6. system_api.gyp
  7. system_api.pc