Bug 1560162 - Handle psutil exception in 'mach android-emulator'; r=denschub

I haven't reproduced this failure myself, but this change *should* help.

Differential Revision: https://phabricator.services.mozilla.com/D35561

--HG--
extra : moz-landing-system : lando

testing/mozbase/mozrunner/mozrunner/devices/android_device.py

@@ -423,11 +423,14 @@ class AndroidEmulator(object):
            Returns True if the Android emulator is running.
         """
         for proc in psutil.process_iter():
-            name = proc.name()
-            # On some platforms, "emulator" may start an emulator with
-            # process name "emulator64-arm" or similar.
-            if name and name.startswith('emulator'):
-                return True
+            try:
+                name = proc.name()
+                # On some platforms, "emulator" may start an emulator with
+                # process name "emulator64-arm" or similar.
+                if name and name.startswith('emulator'):
+                    return True
+            except Exception as e:
+                _log_debug("failed to get process name: %s" % str(e))
         return False
 
     def is_available(self):