Enable multi-dex content per file in dexlist/dump.

Rationale:
Unlike the original Dalvik-based utilities, the Art-based
utilities are able to extract multi-dex content from one file.
So no need for any artificial restriction on number of dex files.

Bug: 22322814
Change-Id: I7c603d22c7e0caa5ae712b905d9bb83982f1b918
diff --git a/dexdump/dexdump_main.cc b/dexdump/dexdump_main.cc
index 756f879..9be0922 100644
--- a/dexdump/dexdump_main.cc
+++ b/dexdump/dexdump_main.cc
@@ -108,8 +108,8 @@
       default:
         wantUsage = true;
         break;
-    }
-  }
+    }  // switch
+  }  // while
 
   // Detect early problems.
   if (optind == argc) {
@@ -138,7 +138,7 @@
   int result = 0;
   while (optind < argc) {
     result |= processFile(argv[optind++]);
-  }
+  }  // while
   return result != 0;
 }