Merge "Make StartupService use asynchronous client"

diff --cc policy-agent/pom.xml
index 6ac7978,551a95b..ef5dc13
--- 1/policy-agent/pom.xml
--- 2/policy-agent/pom.xml
+++ b/policy-agent/pom.xml
@@@ -52,11 -52,11 +52,11 @@@
          <sdk.version>1.1.6</sdk.version>
          <swagger.version>2.0.0</swagger.version>
          <json.version>20180130</json.version>
+         <awaitility.version>4.0.1</awaitility.version>
          <maven-compiler-plugin.version>3.8.0</maven-compiler-plugin.version>
-         <junit-platform-surefire-provider.version>1.3.2</junit-platform-surefire-provider.version>
          <formatter-maven-plugin.version>2.8.1</formatter-maven-plugin.version>
          <spotless-maven-plugin.version>1.18.0</spotless-maven-plugin.version>
 -        <dockerfile-maven-plugin.version>1.4.13</dockerfile-maven-plugin.version>
 +        <docker-maven-plugin>0.30.0</docker-maven-plugin>
      </properties>
      <dependencies>
          <dependency>