Update build-tools to ab/6110188

https://ci.android.com/builds/branches/aosp-build-tools/grid?head=6110188&tail=6110188

Primarily, this has my new ninja changes to switch to lstat and warn
when an output of an action is a directory.

Bug: 128577186
Test: treehugger
Change-Id: I3fac9f6cc77746cfd2dbcea4bbbfc16a3ee32245
12 files changed