Change the short gpg key into long gpg key

Change the short gpg key into long gpg key to avoid collisions

Change-Id: If26d2e45f5e745058a3614faa1244bfc35033d4e
Signed-off-by: Jiamei.Xie <Jiamei.Xie@arm.com>

docker/bootstrap/Dockerfile.mysql56

@@ -1,7 +1,7 @@
 FROM vitess/bootstrap:common
 
 # Install MySQL 5.6
-RUN for i in $(seq 1 10); do apt-key adv --no-tty --recv-keys --keyserver pool.sks-keyservers.net 5072E1F5 && break; done && \
+RUN for i in $(seq 1 10); do apt-key adv --no-tty --recv-keys --keyserver pool.sks-keyservers.net 8C718D3B5072E1F5 && break; done && \
     add-apt-repository 'deb http://repo.mysql.com/apt/debian/ stretch mysql-5.6' && \
     for i in $(seq 1 10); do apt-key adv --no-tty --keyserver keys.gnupg.net --recv-keys 9334A25F8507EFA5 && break; done && \
     echo 'deb http://repo.percona.com/apt stretch main' > /etc/apt/sources.list.d/percona.list && \

docker/orchestrator/Dockerfile

@@ -15,7 +15,7 @@
 FROM debian:jessie
 
 # Install Percona XtraDB Cluster (Galera)
-RUN apt-key adv --keyserver keys.gnupg.net --recv-keys 8507EFA5 && \
+RUN apt-key adv --keyserver keys.gnupg.net --recv-keys 9334A25F8507EFA5 && \
     echo 'deb http://repo.percona.com/apt jessie main' > /etc/apt/sources.list.d/mysql.list && \
     apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \