[inspector] introduce limit for amount of stored async stacks

src/inspector/inspector.gypi

 # Copyright 2016 the V8 project authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     'inspector_generated_sources': [
       '<(SHARED_INTERMEDIATE_DIR)/src/inspector/protocol/Forward.h',
       '<(SHARED_INTERMEDIATE_DIR)/src/inspector/protocol/Protocol.cpp',
       '<(SHARED_INTERMEDIATE_DIR)/src/inspector/protocol/Protocol.h',
@@ skipping 35 matching lines @@
       'inspector/java-script-call-frame.h',
       'inspector/remote-object-id.cc',
       'inspector/remote-object-id.h',
       'inspector/script-breakpoint.h',
       'inspector/search-util.cc',
       'inspector/search-util.h',
       'inspector/string-16.cc',
       'inspector/string-16.h',
       'inspector/string-util.cc',
       'inspector/string-util.h',
+      'inspector/test-interface.cc',
+      'inspector/test-interface.h',
       'inspector/v8-console.cc',
       'inspector/v8-console.h',
       'inspector/v8-console-agent-impl.cc',
       'inspector/v8-console-agent-impl.h',
       'inspector/v8-console-message.cc',
       'inspector/v8-console-message.h',
       'inspector/v8-debugger.cc',
       'inspector/v8-debugger.h',
       'inspector/v8-debugger-agent-impl.cc',
       'inspector/v8-debugger-agent-impl.h',
@@ skipping 21 matching lines @@
       'inspector/v8-schema-agent-impl.h',
       'inspector/v8-stack-trace-impl.cc',
       'inspector/v8-stack-trace-impl.h',
       'inspector/v8-value-copier.cc',
       'inspector/v8-value-copier.h',
       'inspector/wasm-translation.cc',
       'inspector/wasm-translation.h',
     ]
   }
 }