CI fixes (#2190)

.github/workflows/android-ci.yml

@@ -128,7 +128,6 @@ jobs:
 
       - name: Create artifact for benchmark APKs 
         uses: actions/upload-artifact@v4
-        if: github.ref != 'refs/heads/main'
         with:
           if-no-files-found: error
           name: benchmarkAPKs

.github/workflows/pr-linux-tests.yml

@@ -140,10 +140,10 @@ jobs:
           artifact-name: mbgl-benchmark-runner
           expect-files: "mbgl-benchmark-runner"
 
-      - name: Download mbgl-benchmark-runner-main
+      - name: Download mbgl-benchmark-runner-main, set permissions
         run: |
           wget -O mbgl-benchmark-runner-main "${download_url}/mbgl-benchmark-runner-main"
-          chmod +x mbgl-benchmark-runner-main
+          chmod +x mbgl-benchmark-runner-main mbgl-benchmark-runner
 
       # needed for compare.py
       - name: Install scipy