Parrot will not be shipping with R21 and also has old firmware

BUG=None
TEST=site_utils/suite_scheduler/suite_scheduler.py -f suite_scheduler.ini  -t

Change-Id: Ib0030d8836e3b414f923c07d630cd3bc30300d6a
Reviewed-on: https://gerrit.chromium.org/gerrit/34570
Reviewed-by: Scott Zawalski <scottz@chromium.org>
Commit-Ready: John D Hong <johndhong@google.com>
Tested-by: John D Hong <johndhong@google.com>
diff --git a/suite_scheduler.ini b/suite_scheduler.ini
index 9ffe38c..2163f83 100644
--- a/suite_scheduler.ini
+++ b/suite_scheduler.ini
@@ -205,7 +205,7 @@
 [ParrotBVT]
 run_on: new_build
 suite: bvt
-branch_specs: >=R21
+branch_specs: >=R22
 pool: parrot
 num: 4