compiler wrapper: Move array param to post flags

This CL moves -Wno-array-parameter for LLVM Next from llvmNextFlags to
llvmNextPostFlags since there are some instances of -Wall  causing
issues.

BUG=b:262076232
TEST=go test . -updategolden

Change-Id: I90f6110b6ec91a7833c305957885bb908656a751
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/4128689
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
Tested-by: Ryan Beltran <ryanbeltran@chromium.org>
Commit-Queue: Ryan Beltran <ryanbeltran@chromium.org>
6 files changed