ci: replace docker with android emulator runner action

Author: jvsena42

.github/workflows/ui-tests.yml

@@ -65,7 +65,7 @@ jobs:
         uses: reactivecircus/android-emulator-runner@v2
         with:
           api-level: 29
-          arch: x86_64
+          arch: arm64-v8a
           profile: pixel_4
           force-avd-creation: false
           emulator-options: -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none