Remove all corrupted SDK package.xml files before build

Uses find to remove all corrupted package.xml files in the Android
SDK platforms directory, not just android-35. This fixes issues with
android-36-ext19 and other platform versions.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.gitlab-ci.yml

@@ -19,7 +19,7 @@ stages:
 before_script:
   - export GRADLE_USER_HOME=$(pwd)/.gradle
   - chmod +x ./gradlew
-  - rm -f /opt/android-sdk/platforms/android-35/package.xml || true
+  - find /opt/android-sdk/platforms -name "package.xml" -exec rm -f {} \; || true
   - yes | sdkmanager "platforms;android-35" || true
   - yes | sdkmanager --licenses || true