Revert of [inspector] removed unused #include "include/v8-debug.h" (patchset...

Revert of [inspector] removed unused #include "include/v8-debug.h" (patchset #2 id:20001 of https://codereview.chromium.org/2710243002/ )

Reason for revert:
breaks presubmit on CI which runs checkdeps

Original issue's description:
> [inspector] removed unused #include "include/v8-debug.h"
>
> We don't call any of v8::Debug methods in src/inspector codebase and should use debug-interface.h instead.
>
> BUG=none
> R=dgozman@chromium.org
>
> Review-Url: https://codereview.chromium.org/2710243002
> Cr-Commit-Position: refs/heads/master@{#43398}
> Committed: https://chromium.googlesource.com/v8/v8/+/838b1a8841aba0c421b413c01b0fbd3c024c2249

TBR=dgozman@chromium.org,kozyatinskiy@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=none

Review-Url: https://codereview.chromium.org/2719433002
Cr-Commit-Position: refs/heads/master@{#43404}

src/inspector/DEPS

@@ -7,7 +7,8 @@ include_rules = [
   "+src/conversions.h",
   "+src/inspector",
   "+src/tracing",
-  "-include/v8-debug.h",
+  # TODO(dgozman): Fix includes and re-enable.
+  #"-include/v8-debug.h",
   "+src/debug/debug-interface.h",
   "+src/debug/interface-types.h",
 ]

src/inspector/v8-inspector-impl.h

@@ -36,6 +36,7 @@
 #include "src/base/macros.h"
 #include "src/inspector/protocol/Protocol.h"
 
+#include "include/v8-debug.h"
 #include "include/v8-inspector.h"
 
 namespace v8_inspector {