HBASE-13191. Addendum missed one spot we hard-code MAVEN_OPTS for jenkins.

dev-support/test-patch.properties

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-MAVEN_OPTS="-Xmx3100M"
+MAVEN_OPTS="${MAVEN_OPTS:-"-Xmx3100M"}"
 
 # The number of acceptable warning for *all* modules
 # Please update the per-module test-patch.properties if you update this file.

pom.xml

@@ -1684,6 +1684,39 @@
 
   -->
   <profiles>
+    <!-- profile activated by the Jenkins patch testing job -->
+    <profile>
+      <id>jenkins.patch</id>
+      <activation>
+        <activeByDefault>false</activeByDefault>
+        <property>
+            <name>HBasePatchProcess</name>
+        </property>
+      </activation>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-antrun-plugin</artifactId>
+            <inherited>false</inherited>
+            <executions>
+              <execution>
+                <phase>validate</phase>
+                <goals>
+                  <goal>run</goal>
+                </goals>
+                <configuration>
+                  <tasks>
+                    <echo>Maven Exceution Environment</echo>
+                    <echo>MAVEN_OPTS="${env.MAVEN_OPTS}"</echo>
+                  </tasks>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
     <profile>
       <id>os.linux</id>
       <activation>