Cleanup .gitignore rules for third_party directory

.gitignore

Index: .gitignore
diff --git a/.gitignore b/.gitignore
index e6b0da5a992a16423e0165d1ee9618a084b68b26..a63f48fd422852e596eddcd795e140ec8f0405b4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -61,16 +61,9 @@ shell_g
 /test/test262/harness
 /testing/gmock
 /testing/gtest
-/third_party
-/third_party/android_tools
-/third_party/cygwin
-/third_party/icu
-/third_party/instrumented_libraries
-/third_party/inspector_protocol
-/third_party/jinja2
-/third_party/llvm
-/third_party/llvm-build
-/third_party/markupsafe
+/third_party/*
+!/third_party/binutils
+!/third_party/inspector_protocol
 /tools/clang
 /tools/gcmole/gcmole-tools
 /tools/gcmole/gcmole-tools.tar.gz
@@ -104,4 +97,4 @@ v8.ignition_dispatches_table.json
 /test/fuzzer/wasm.tar.gz
 /test/fuzzer/wasm_asmjs.tar.gz
 /src/inspector/build/closure-compiler.tar.gz
-/src/inspector/build/closure-compiler
+/src/inspector/build/closure-compiler