Silence -Werror=unused-parameter on Android

Change-Id: I69cd0724c2c4a6f82f89080b0622e734617c5704
diff --git a/jvmfwk/plugins/sunmajor/pluginlib/sunjavaplugin.cxx b/jvmfwk/plugins/sunmajor/pluginlib/sunjavaplugin.cxx
index d237de9..9f3822a 100644
--- a/jvmfwk/plugins/sunmajor/pluginlib/sunjavaplugin.cxx
+++ b/jvmfwk/plugins/sunmajor/pluginlib/sunjavaplugin.cxx
@@ -867,6 +867,7 @@ javaPluginError jfw_plugin_startJavaVirtualMachine(
#else
    (void) arOptions;
    (void) cOptions;
    (void) ppEnv;
    // On Android we always have a Java VM as we only expect this code
    // to be run in an Android app anyway.
    *ppVm = lo_get_javavm();