Explicitly specify path to strip and dsymutil for linker_driver.py.

This allows the macOS toolchain to avoid using xcrun to find the path for strip
and dsymutil.

Bug: 971452
Change-Id: Ib3d8865c44e1d95ed2fe22b6393d7e1549f9e621
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1649054
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Commit-Queue: Erik Chen <erikchen@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#666915}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 9cc11952e44ef12a6f4b16ff4e310f838bd0319f
2 files changed