interceptor: add FixdepAnalyzer

This implements tracing for the fixdep command of kernel builds. In
particular it allows us to run this command in dry-run mode later.

Bug: 205735739
Signed-off-by: Matthias Maennich <maennich@google.com>
Change-Id: I4ea3f41edcd64150be0a890e59356e48de4b036d
1 file changed