Merging 9 commit(s) from Chromium's toolchain-utils

Merged commit digest:
  93535db llvm_tools: add git_llvm_rev notes.
  f2bba3e gcc: Add tigerlake to corei7 mapping
  66ee2dc cros_utils: Do not sort keys by default
  6a5688f afdo_metadata: Publish new profiles for kernel 4.14.
  f0d6206 afdo_metadata: Publish new profiles for kernel 4.4.
  adf6f5e afdo_metadata: Publish new profiles for kernel 3.18.
  69030f8 afdo_metadata: Publish new profiles for kernel 4.19.
  2897926 compiler_wrapper: Stop setting CCACHE_BASEDIR
  99b3ff9 compiler_wrapper: Add "-fcommon" to clang invocations

Change-Id: I12202d93e6a48d7484c06f98a99cb28e8f823873