compiler_wrapper: rename GETRUSAGE flag

GETRUSAGE has been renamed TOOLCHAIN_RUSAGE_OUTPUT for clarity.

BUG=chromium:1156314
TEST=Reran unit tests for package main

Change-Id: I4588b4138f0dd4e4938762250e5caa6b4026e3f2
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/2594261
Reviewed-by: George Burgess <gbiv@chromium.org>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
Tested-by: Ryan Beltran <ryanbeltran@chromium.org>
Commit-Queue: Ryan Beltran <ryanbeltran@chromium.org>
4 files changed