Bug 1523303 - Align mozharness suite names with the ones in 'moztest.resolve', r=gbrown

This officially makes 'moztest.resolve' the source of truth when it comes to
suite names. It aligns that file with the names used in both the
desktop_unittest and android_emulator_unittest scripts.

Differential Revision: https://phabricator.services.mozilla.com/D27555

testing/mach_commands.py

@@ -350,7 +350,7 @@ class Test(MachCommandBase):
             buckets.setdefault(key, []).append(test)
 
         for (flavor, subsuite), tests in sorted(buckets.items()):
-            m = get_suite_definition(flavor, subsuite)
+            _, m = get_suite_definition(flavor, subsuite)
             if 'mach_command' not in m:
                 substr = '-{}'.format(subsuite) if subsuite else ''
                 print(UNKNOWN_FLAVOR % (flavor, substr))