Upgrade jacoco-maven-plugin to 0.7.9

Change-Id: Ifc0b0f2899f4094f0525021236c3e73658138f7e
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

pom.xml

@@ -420,7 +420,7 @@
         <plugin>
           <groupId>org.jacoco</groupId>
           <artifactId>jacoco-maven-plugin</artifactId>
-          <version>0.7.8</version>
+          <version>0.7.9</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>