Dalvik: Fix dexmerger test

Follow-up to commit 775224df29c2539be706f1fb5ebd01a4da58b0a6.

Bug: 36957105
Exempt-From-Owner-Approval: Tests are broken, and this process is broken
Test: dalvik/dx/tests/run-test 137
Change-Id: Ib61dab73502868214d30a26315d08597961b4d98
1 file changed