Revert "Revert "Use dlopen to load oat files.""

This reverts commit 7a46b7e235a7c35191cd9ddbab6ca4db0e535da5.

Change-Id: I33439d0e3d7a7e63591a8c7b356e716dcb62bca1
diff --git a/test/137-cfi/src/Main.java b/test/137-cfi/src/Main.java
index 658ba53..a88adc1 100644
--- a/test/137-cfi/src/Main.java
+++ b/test/137-cfi/src/Main.java
@@ -26,7 +26,7 @@
 public class Main implements Comparator<Main> {
   // Whether to test local unwinding. Libunwind uses linker info to find executables. As we do
   // not dlopen at the moment, this doesn't work, so keep it off for now.
-  public final static boolean TEST_LOCAL_UNWINDING = false;
+  public final static boolean TEST_LOCAL_UNWINDING = true;
 
   // Unwinding another process, modelling debuggerd. This doesn't use the linker, so should work
   // no matter whether we're using dlopen or not.