pw_assert_log: Make assert_log.h accessible
pw_assert_log: Make assert_log.h accessible

Change-Id: Ic6455f622b95b53ad3e53ff07d72f1efa8c2e6df
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/47162
Pigweed-Auto-Submit: Wyatt Hepler <cca3bedb37979eacd157a9bceb473582df8aea1e@google.com>
Commit-Queue: Auto-Submit <14637eda5603879df170705285bf30f5996692f0@pigweed.google.com.iam.gserviceaccount.com>
Reviewed-by: Alexei Frolov <a1b001416a8cf9aaea32a3411f8f3c0793ebc0b5@google.com>

google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed