Add cflags and tidy_checks to bpf_cc_defaults am: 588140f93a

Original change: https://android-review.googlesource.com/c/platform/system/bpf/+/3555904

Change-Id: I9a52544c930f7485320ea541da12fddd0b1a76c3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>