compile failure on chromium.chrome/Google Chrome Win

Builders failed on: 
- Google Chrome Win: 
  https://build.chromium.org/p/chromium.chrome/builders/Google%20Chrome%20Win

The bot has 2 nonadjacent compile failings with the same error message:
- https://build.chromium.org/p/chromium.chrome/builders/Google%20Chrome%20Win/builds/23325
- https://build.chromium.org/p/chromium.chrome/builders/Google%20Chrome%20Win/builds/23329

```
[4955/43613] CXX obj/third_party/angle/libANGLE/Framebuffer11.obj
[4956/43613] ACTION //content/browser/devtools:compressed_protocol_json(//build/toolchain/win:win_clang_x86)
FAILED: gen/blink/core/inspector/protocol.json.bro 
C:/b/depot_tools/win_tools-2_7_6_bin/python/bin/python.exe ../../build/gn_run_binary.py brotli.exe --force --no-copy-stat gen/blink/core/inspector/protocol.json -o gen/blink/core/inspector/protocol.json.bro
brotli.exe failed with exit code -1073741819
```