chore: update android bokken image for CI (#809)

* updating image

* removing arg to specify player connection IP

Author: LPLafontaineB

.yamato/mobile-build-and-run.yml

@@ -103,7 +103,7 @@ mobile_test_android_{{ project.name }}_{{ editor }}:
     name: {{ project.name }} mobile project tests - {{ editor }} on Android
     agent:
         type: Unity::mobile::shield
-        image: mobile/android-execution-r19:stable
+        image: mobile/android-execution-base:stable
         flavor: b1.medium
 
     # Skip repository cloning
@@ -119,7 +119,7 @@ mobile_test_android_{{ project.name }}_{{ editor }}:
           start %ANDROID_SDK_ROOT%\platform-tools\adb.exe connect %BOKKEN_DEVICE_IP%
           start %ANDROID_SDK_ROOT%\platform-tools\adb.exe devices
           set UTR_VERSION=0.12.0
-          ./utr --artifacts_path=build/test-results --testproject={{ project.path }} --editor-location=.Editor --reruncount=2 --suite=playmode --platform=android --player-connection-ip=%BOKKEN_HOST_IP% --player-load-path=build/players --testfilter=Unity.BossRoom.Tests.Runtime
+          ./utr --artifacts_path=build/test-results --testproject={{ project.path }} --editor-location=.Editor --reruncount=2 --suite=playmode --platform=android --player-load-path=build/players --testfilter=Unity.BossRoom.Tests.Runtime
     # Set uploadable artifact paths
     artifacts:
         logs: