Update the Dockerfile to use the master firebase-tools, tweak scripts (#23279)

dev/ci/docker_linux/Dockerfile

@@ -82,7 +82,7 @@ ENV PATH="$GRADLE_ROOT/bin:$PATH"
 ENV PATH="/usr/bin:${PATH}"
 RUN dpkg-query -L nodejs
 # Install Firebase
-RUN /usr/bin/npm install -g firebase-tools
+RUN /usr/bin/npm install -g git://github.com/firebase/firebase-tools.git
 
 # Set locale to en_US
 RUN locale-gen en_US "en_US.UTF-8" && dpkg-reconfigure locales

dev/ci/docker_linux/docker_build.sh

@@ -3,6 +3,6 @@
 TAG="${CIRRUS_TAG:-latest}"
 
 # pull to make sure we are not rebuilding for nothing
-docker pull "gcr.io/flutter-cirrus/build-flutter-image:$TAG"
+sudo docker pull "gcr.io/flutter-cirrus/build-flutter-image:$TAG"
 
-docker build --tag "gcr.io/flutter-cirrus/build-flutter-image:$TAG" .
+sudo docker build "$@" --tag "gcr.io/flutter-cirrus/build-flutter-image:$TAG" .

dev/ci/docker_linux/docker_login.sh

@@ -3,5 +3,5 @@
 if [[ -n "$CIRRUS_CI" && -n "$GCLOUD_CREDENTIALS" ]]; then
   echo "$GCLOUD_CREDENTIALS" | base64 --decode | docker login -u _json_key --password-stdin https://gcr.io
 else
-  gcloud auth print-access-token | docker login -u oauth2accesstoken --password-stdin https://gcr.io
-fi
\ No newline at end of file
+  gcloud auth print-access-token | sudo docker login -u oauth2accesstoken --password-stdin https://gcr.io
+fi

dev/ci/docker_linux/docker_push.sh

@@ -2,5 +2,5 @@
 
 TAG="${CIRRUS_TAG:-latest}"
 
-docker push "gcr.io/flutter-cirrus/build-flutter-image:$TAG"
+sudo docker push "gcr.io/flutter-cirrus/build-flutter-image:$TAG"