debug: set display env var

Author: Miki-Session

.github/workflows/android-regression.yml

@@ -73,6 +73,7 @@ jobs:
   android-regression:
     runs-on: [self-hosted, linux, X64, qa-android]
     env:
+      DISPLAY: ':0'
       PLATFORM: 'android'
       APK_URL: ${{ github.event.inputs.APK_URL }}
       BUILD_NUMBER: ${{ github.event.inputs.BUILD_NUMBER }}