test: More javac/dx fixes

Fix 3 more javac/dx tests that were being built incorrectly.
9 broken tests remaining.

Test: ANDROID_COMPILE_WITH_JACK=false art/test.py
Bug: 36902714
Change-Id: I0fbd5e82797911c7c5a8e075ffee23d0025d5d3f
diff --git a/test/etc/default-build b/test/etc/default-build
index 977b071..85350ba 100755
--- a/test/etc/default-build
+++ b/test/etc/default-build
@@ -349,7 +349,7 @@
 
     if [ "${HAS_SRC_MULTIDEX}" = "true" ]; then
       mkdir classes2
-      ${JAVAC} -implicit:none -classpath src -d classes2 `find src-multidex -name '*.java'`
+      ${JAVAC} ${JAVAC_ARGS} -implicit:none -classpath src -d classes2 `find src-multidex -name '*.java'`
       if [ ${NEED_DEX} = "true" ]; then
         make_dex classes2
       fi