Reorder extra clang host flags

In make these clang-specific flags are marked as EXTRA and added after
the common flags.

This was causing differences between compiled objects in make and soong
because -fstack-protector-strong was before -fstack-protector in soong
instead of after.

Change-Id: I59dd6dcfdaf5ec9184a09e79efe80b62cfe48dbb
2 files changed