Unfortunately, clangd's include-cleaner has a smaller set of
customization features and does not allow us to set custom mappings for
certain include paths. Instead, add some postprocessing to our internal
wrapper on top of it (`apply-include-cleaner`) to handle gtest/gmock
include paths
Bug: webrtc:42226242
Change-Id: I65e4f73bb1b762bf2da1fb0f9a520bdd980b64bd
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/359161
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Dor Hen <dorhen@meta.com>
Cr-Commit-Position: refs/heads/main@{#42774}