Skip Rust code coverage on doc only changes

.circleci/config.yml

@@ -114,6 +114,13 @@ jobs:
     # We have to use a machine with more RAM for tests so we don't run out of memory.
     resource_class: "large"
     steps:
+      - run:
+          name: Check skip condition
+          command: |
+            if git log -1 "$CIRCLE_SHA1" | grep -q '\[doc only\]'; then
+                echo "Skipping this step. Last commit was tagged to not require Android tests."
+                circleci-agent step halt
+            fi
       - run:
           name: Setup custom environment variables
           command: |