Android R Preview 2 (RPP2.200227.009)
Merging 7 commit(s) from Chromium's toolchain-utils

Merged commit digest:
  fbb1616 wrapper: resolve /proc/self/cwd only when seen.
  c5ad732 afdo_metadata: Publish new profiles for kernel 4.14.
  b2f63d0 afdo_metadata: Publish new profiles for kernel 4.4.
  948e1d8 llvm_tools: add a simple cherrypick script
  c41f411 afdo_metadata: Publish new profiles for kernel 3.18.
  5167d91 afdo_metadata: Publish new profiles for kernel 4.19.
  a0da3eb crosperf: do not include graphics_WebGLAquarium in all_toolchain_perf

Change-Id: Ia628c4fd8a8bc2ff66ea3f1372be77fd2d7ae838