chore(nimbus): Update fenix apks for testing (#11171)

Co-authored-by: Benjamin Forehand Jr <bennyjr169@gmail.com>

.circleci/config.yml

@@ -672,10 +672,8 @@ jobs:
           name: Build and upload images
           command: |
             cd experimenter/tests/integration/nimbus/android
-            docker run --name fenix-builder ${DOCKERHUB_REPO}:experimenter-moz-central bash build_android.sh
-            docker commit fenix-builder moz-central-builder
-            docker tag moz-central-builder ${DOCKERHUB_REPO}:experimenter-moz-central
-            docker push ${DOCKERHUB_REPO}:experimenter-moz-central
+            docker build -t fenix-builder -f moz-central.test-container.Dockerfile .
+            docker run -d --name fenix-builder fenix-builder
             docker cp fenix-builder:mozilla-central/mobile/android/fenix/app-fenix-debug-androidTest.apk ./
             docker cp fenix-builder:mozilla-central/mobile/android/fenix/app-fenix-x86_64-debug.apk ./
             docker build -f fenix-apk-store.Dockerfile -t ${DOCKERHUB_REPO}:fenix-apk-store .

experimenter/tests/integration/nimbus/android/fenix-build.env

@@ -1 +1 @@
-FIREFOX_FENIX_TASK_ID="Lmpw8qxTRIK2_HNuaFxRLw"
+FIREFOX_FENIX_TASK_ID="JOl6hFpnTc6BYkRm0WGJqQ"

experimenter/tests/integration/nimbus/android/moz-central.test-container.Dockerfile

@@ -38,3 +38,9 @@ COPY build_android.sh ./
 RUN ./mach --no-interactive bootstrap --application-choice="GeckoView/Firefox for Android Artifact Mode"
 
 RUN ./mach build
+
+RUN cd mobile/android/fenix \
+    && ./gradlew clean app:assembleFenixDebug \
+    && mv app/build/outputs/apk/fenix/debug/app-fenix-x86_64-debug.apk ./ \
+    && ./gradlew clean app:assembleFenixDebugAndroidTest \
+    && mv app/build/outputs/apk/androidTest/fenix/debug/app-fenix-debug-androidTest.apk ./