Do not explicity set jpda.settings.syncPort in CTS settings.

Bug: 28869570
Change-Id: I94b0c68c7710146184b43ce35dd1da128a094b21
diff --git a/tests/jdwp/AndroidTest.xml b/tests/jdwp/AndroidTest.xml
index 301f9f5..e3205b5 100644
--- a/tests/jdwp/AndroidTest.xml
+++ b/tests/jdwp/AndroidTest.xml
@@ -31,7 +31,6 @@
         <option name="dalvik-arg" value="-Xcompiler-option" />
         <option name="dalvik-arg" value="--debuggable" />
         <option name="dalvik-arg" value="-Djpda.settings.verbose=false" />
-        <option name="dalvik-arg" value="-Djpda.settings.syncPort=34017" />
         <option name="dalvik-arg" value="-Djpda.settings.timeout=10000" />
         <option name="dalvik-arg" value="-Djpda.settings.waitingTime=10000" />
         <option name="dalvik-arg" value="-Djpda.settings.debuggeeJavaPath='dalvikvm|#ABI#| -XXlib:libart.so -Xcompiler-option --debuggable'" />