update Android workflow: enable Ubuntu x86_64 config, comment out macOS ARM64 config

Author: allnes

.github/workflows/e2e-android-test.yml

@@ -27,14 +27,14 @@ jobs:
     strategy:
       matrix:
         include:
-#          - os: ubuntu-latest  # Ubuntu
-#            android-api: 30
-#            arch: x86_64
-#            config_file: experiments/android_x86_64_ci.yaml
-          - os: macOS-latest  # macOS on Apple Silicon (M1/M2)
+          - os: ubuntu-latest  # Ubuntu
             android-api: 30
-            arch: arm64-v8a  # Android ARM64 architecture
-            config_file: experiments/android_example.yaml
+            arch: x86_64
+            config_file: experiments/android_x86_64_ci.yaml
+#          - os: macOS-latest  # macOS on Apple Silicon (M1/M2)
+#            android-api: 30
+#            arch: arm64-v8a  # Android ARM64 architecture
+#            config_file: experiments/android_example.yaml
     runs-on: ${{ matrix.os }}
 
     steps: