Add caching for Android SDK in CI workflow

Introduces a cache step for Android SDK components in the GitHub Actions CI workflow to improve build performance and reduce setup time.

Author: FeodorFitsner

.github/workflows/ci.yml

@@ -102,6 +102,19 @@ jobs:
             ~/.android/adb*
           key: avd
 
+      - name: Cache Android SDK
+        uses: actions/cache@v4
+        with:
+          path: |
+            /usr/local/lib/android/sdk/ndk
+            /usr/local/lib/android/sdk/cmake
+            /usr/local/lib/android/sdk/build-tools
+            /usr/local/lib/android/sdk/platforms
+            /usr/local/lib/android/sdk/platform-tools
+            /usr/local/lib/android/sdk/system-images
+          key: android-sdk-${{ runner.os }}-api33-ndk25.1
+          restore-keys: android-sdk-${{ runner.os }}-api33-ndk25.1
+
       - name: Run Android Emulator
         uses: reactivecircus/android-emulator-runner@v2
         with: