[autotest] Uprev CTS version to 7.1_r22

TEST=None
BUG=b:68778082

Change-Id: I1338aad35f96aa52e4c55ec154f3ef5dbd57eb7e
Reviewed-on: https://chromium-review.googlesource.com/c/1274063
Commit-Queue: Keith Haddow <haddowk@chromium.org>
Tested-by: Keith Haddow <haddowk@chromium.org>
Trybot-Ready: Keith Haddow <haddowk@chromium.org>
Reviewed-by: Rohit Makasana <rohitbm@chromium.org>
Reviewed-by: Ilja H. Friedel <ihf@chromium.org>
diff --git a/server/site_tests/cheets_CTS_N/cheets_CTS_N.py b/server/site_tests/cheets_CTS_N/cheets_CTS_N.py
index 6b918c3..2a0fed5 100644
--- a/server/site_tests/cheets_CTS_N/cheets_CTS_N.py
+++ b/server/site_tests/cheets_CTS_N/cheets_CTS_N.py
@@ -24,8 +24,8 @@
 # Public download locations for android cts bundles.
 _DL_CTS = 'https://dl.google.com/dl/android/cts/'
 _CTS_URI = {
-    'arm': _DL_CTS + 'android-cts-7.1_r21-linux_x86-arm.zip',
-    'x86': _DL_CTS + 'android-cts-7.1_r21-linux_x86-x86.zip',
+    'arm': _DL_CTS + 'android-cts-7.1_r22-linux_x86-arm.zip',
+    'x86': _DL_CTS + 'android-cts-7.1_r22-linux_x86-x86.zip',
     'media': _DL_CTS + 'android-cts-media-1.4.zip',
 }