Install platforms;android-32 (#1745)

Try to fix
https://github.com/bazelbuild/continuous-integration/issues/1588
diff --git a/buildkite/setup-docker.sh b/buildkite/setup-docker.sh
index b98917c..fa96051 100755
--- a/buildkite/setup-docker.sh
+++ b/buildkite/setup-docker.sh
@@ -193,7 +193,8 @@
       "platforms;android-28" \
       "platforms;android-29" \
       "platforms;android-30" \
-      "platforms;android-31"
+      "platforms;android-31" \
+      "platforms;android-32"
 }
 
 ### Fix permissions in /opt.