fix(android/workflow): kill mcp test server after android emulator test

Author: Gioee

.github/workflows/main.yml

@@ -213,13 +213,14 @@ jobs:
           api-level: 26
           arch: ${{ matrix.arch }}
           script: |
+            npx @playwright/mcp@latest --port 8931 --headless & NPX_PID=$!; sleep 15
             adb root
             adb remount
             adb push ${{ github.workspace }}/. /data/local/tmp/
             adb shell "mv -f /data/local/tmp/sqlite3 /system/xbin"
-            npx @playwright/mcp@latest --port 8931 --headless & sleep 20
             adb reverse tcp:8931 tcp:8931
             adb shell "cd /data/local/tmp && sqlite3 \":memory:\" -cmd \".bail on\" \".load ./dist/mcp\" \"SELECT mcp_version();\" && ./android-test"
+            kill $NPX_PID
 
       - name: linux-musl x86_64 test sqlite-mcp
         if: matrix.name == 'linux-musl' && matrix.arch == 'x86_64'