Revert "Revert "Revert "Make sure that const-class linkage is preserved."""

626-const-class-linking is failing (spurious wakeups?)
970-iface-super-resolution-gen is failing:
    dex2oatd F 11-24 10:57:16  6410  6410 image_writer.cc:1144]
    Check failed: !IsBootClassLoaderClass(as_klass)
    java.lang.Class<java.lang.NoSuchMethodError>

Bug: 30627598

This reverts commit 25dcbad4462ea7279ee2bbe0884abc25bdfac77a.

Change-Id: Ie010169bdde45e6ccf2e04a521da4682bd817114
diff --git a/test/etc/default-build b/test/etc/default-build
index 408dcfd..e663496 100755
--- a/test/etc/default-build
+++ b/test/etc/default-build
@@ -273,10 +273,8 @@
 fi
 
 # Create a single jar with two dex files for multidex.
-if [ ${NEED_DEX} = "true" ]; then
-  if [ ${HAS_SRC_MULTIDEX} = "true" ] || [ ${HAS_SMALI_MULTIDEX} = "true" ]; then
-    zip $TEST_NAME.jar classes.dex classes2.dex
-  else
-    zip $TEST_NAME.jar classes.dex
-  fi
+if [ ${HAS_SRC_MULTIDEX} = "true" ] || [ ${HAS_SMALI_MULTIDEX} = "true" ]; then
+  zip $TEST_NAME.jar classes.dex classes2.dex
+elif [ ${NEED_DEX} = "true" ]; then
+  zip $TEST_NAME.jar classes.dex
 fi