auto-t: cleanup the few uses of is_verbose

These were used outside of run-tests in a couple places. Replace
these with Process.is_verbose()

autotests/testP2P/connection_test.py

@@ -11,6 +11,8 @@ import testutil
 from config import ctx
 from wpas import Wpas
 
+from utils import Process
+
 class Test(unittest.TestCase):
     leases_path = '/tmp/dhcp.lease'
 
@@ -110,7 +112,7 @@ class Test(unittest.TestCase):
             self.assertEqual(wpas.p2p_group['go_ip_addr'], '192.168.1.1')
 
             extra_params = []
-            if ctx.is_verbose('dhclient'):
+            if Process.is_verbose('dhclient'):
                 extra_params.append('-v')
 
             dhcp = ctx.start_process(['dhclient', '-d', '--no-pid', '-cf', '/dev/null', '-lf', self.leases_path,

autotests/util/wpas.py

@@ -3,8 +3,11 @@ import os
 import socket
 from gi.repository import GLib
 from config import ctx
+
 import binascii
 
+from utils import Process
+
 ctrl_count = 0
 
 class Wpas:
@@ -31,7 +34,7 @@ class Wpas:
         self.io_watch = None
 
         cmd = ['wpa_supplicant', '-i', self.interface.name, '-c', self.config_path]
-        if ctx.is_verbose('wpa_supplicant-dbg'):
+        if Process.is_verbose('wpa_supplicant-dbg'):
             cmd += ['-d']
 
         self.wpa_supplicant = ctx.start_process(cmd)