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

Bug: 28869570
Change-Id: I413da53ec8764b0e4876676a2609627a80f289c6
diff --git a/jdwp/Android.mk b/jdwp/Android.mk
index 8a5bce4..672bb06 100644
--- a/jdwp/Android.mk
+++ b/jdwp/Android.mk
@@ -13,7 +13,6 @@
 jdwp_test_timeout_ms := 10000 # 10s.
 jdwp_test_target_runtime_common_args :=  \
 	-Djpda.settings.verbose=true \
-	-Djpda.settings.syncPort=34016 \
 	-Djpda.settings.timeout=$(jdwp_test_timeout_ms) \
 	-Djpda.settings.waitingTime=$(jdwp_test_timeout_ms)
 
diff --git a/jdwp/Android_debug_config.mk b/jdwp/Android_debug_config.mk
index 940ebd1..7f75592 100644
--- a/jdwp/Android_debug_config.mk
+++ b/jdwp/Android_debug_config.mk
@@ -168,6 +168,5 @@
 run-jdwp-tests-ri: $(HOST_OUT_JAVA_LIBRARIES)/apache-harmony-jdwp-tests-host.jar $(HOST_OUT_JAVA_LIBRARIES)/junit.jar
 	$(hide) java -cp $(HOST_OUT_JAVA_LIBRARIES)/apache-harmony-jdwp-tests-host.jar:$(HOST_OUT_JAVA_LIBRARIES)/junit.jar \
           -Djpda.settings.verbose=true \
-          -Djpda.settings.syncPort=34016 \
           -Djpda.settings.debuggeeJavaPath=java \
           $(jdwp_test_suite_class_name)