Use the installed/downloaded objdump instead of work-dir one.

tests_lit/lit.cfg

 # -*- Python -*-
 # Taken from utils/lit/tests in the LLVM tree and hacked together to support
 # our tests.
 #
 # Note: This configuration has simple commands to run Subzero's translator.
 # They have the form %X2i (i.e. %p2i, %l2i, and %lc2i) where X is defined
 # as follows:
 #
 #   p : Run Subzero's translator, building ICE from PNaCl bitcode directly.
 #   l : Run Subzero's translator, converting the .ll file to a PNaCl bitcode
@@ skipping 111 matching lines @@
   # The re.sub() line is adapted from one of LLVM's lit.cfg files.
   # Extract the tool name from the pattern.  This relies on the tool
   # name being surrounded by \b word match operators.  If the
   # pattern starts with "| ", include it in the string to be
   # substituted.
   substitution = re.sub(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
                         r"\2" + llvmbinpath + "/" + r"\4",
                         tool)
   config.substitutions.append((tool, substitution))
 
-binutilsbintools = [r"\bobjdump\b",]
+binutilsbintools = [r"\ble32-nacl-objdump\b",]
 
 for tool in binutilsbintools:
   # The re.sub() line is adapted from one of LLVM's lit.cfg files.
   # Similar to the llvmbintools.
   substitution = re.sub(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
                         r"\2" + binutilsbinpath + "/" + r"\4",
                         tool)
   config.substitutions.append((tool, substitution))
 
 # Add a feature to detect the Python version.
 config.available_features.add("python%d.%d" % (sys.version_info[0],
                                                sys.version_info[1]))
 
 # Debugging output
 def dbg(s):
   print '[DBG] %s' % s
 
 dbg('bin_root = %s' % bin_root)
 dbg('llvmbinpath = %s' % llvmbinpath)
 dbg('binutilsbinpath = %s' % binutilsbinpath)
 dbg("Build attributes = %s" % pnacl_sz_atts)