Ensure that org.apache.axis is in the org.eclipse.birt.engine.runtime

- Also add org.eclipse.birt.chart.device.pdf which the only plugin
included by org.eclipse.birt.chart.osgi.runtime but not by
org.eclipse.birt.engine.runtime.

features/org.eclipse.birt.engine.runtime/feature.xml

@@ -38,6 +38,10 @@
       <discovery label="%updateSiteName" url="https://download.eclipse.org/birt/updates/release/latest"/>
    </url>
 
+   <requires>
+      <import plugin="org.apache.axis"/>
+   </requires>
+
    <plugin
          id="org.eclipse.birt.core"
          version="0.0.0"/>
@@ -126,6 +130,10 @@
          id="org.eclipse.birt.chart.device.extension"
          version="0.0.0"/>
 
+   <plugin
+         id="org.eclipse.birt.chart.device.pdf"
+         version="0.0.0"/>
+
    <plugin
          id="org.eclipse.birt.chart.device.svg"
          version="0.0.0"/>
@@ -258,4 +266,6 @@
          id="uk.co.spudsoft.birt.emitters.excel"
          version="0.0.0"/>
 
+
+
 </feature>