llvm_tools: Skip patch failures on local bisection

This is now controlled by a USE flag:
'continue-on-patch-failure', which we can
make use of in this script.

BUG=b:226987500
TEST=./llvm_local_bisection.sh  # with erroneous patches

Change-Id: I893ee1ca9743d0bc5b0a9ca6e4f88d73ebfb6454
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/3610724
Tested-by: Jordan Abrahams-Whitehead <ajordanr@google.com>
Commit-Queue: Jordan Abrahams-Whitehead <ajordanr@google.com>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
1 file changed