Bug 1239296 - Use telemetry_handler to store build resource data r=gps

--HG--
extra : rebase_source : 3f232b77b91750d8ab5af017552b0ae368d765cb

python/mozbuild/mozbuild/mach_commands.py

@@ -493,6 +493,11 @@ class Build(MachCommandBase):
             print('To view resource usage of the build, run |mach '
                 'resource-usage|.')
 
+            telemetry_handler = getattr(self._mach_context,
+                                        'telemetry_handler', None)
+            usage = monitor.record_resource_usage()
+            telemetry_handler(self._mach_context, usage)
+
         # Only for full builds because incremental builders likely don't
         # need to be burdened with this.
         if not what: