[autotest] Uprev CTS version to 7.1_r24

TEST=None
BUG=b:68778082

Change-Id: Ie0a3e2dc928ef3a449b5c4521f732bad9b82812b
Reviewed-on: https://chromium-review.googlesource.com/c/1387764
Commit-Queue: Keith Haddow <haddowk@chromium.org>
Tested-by: Keith Haddow <haddowk@chromium.org>
Tested-by: Ilja H. Friedel <ihf@chromium.org>
Trybot-Ready: Keith Haddow <haddowk@chromium.org>
Reviewed-by: Ilja H. Friedel <ihf@chromium.org>
(cherry picked from commit 2454630c5f5618c722e24ace9a28caf4e0d88feb)
Reviewed-on: https://chromium-review.googlesource.com/c/1473931
Reviewed-by: Keith Haddow <haddowk@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 e7af776..ce555c1 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_r23-linux_x86-arm.zip',
-    'x86': _DL_CTS + 'android-cts-7.1_r23-linux_x86-x86.zip',
+    'arm': _DL_CTS + 'android-cts-7.1_r24-linux_x86-arm.zip',
+    'x86': _DL_CTS + 'android-cts-7.1_r24-linux_x86-x86.zip',
     'media': _DL_CTS + 'android-cts-media-1.4.zip',
 }