Add unit test for time_in_state BPF program am: 266d5a2b15 am: 304b67bc33

Original change: https://android-review.googlesource.com/c/platform/system/bpfprogs/+/1507723

Change-Id: I59a3647cbf9d32fec0542f21846dcbeb225322c8
tree: 63fb726442bd18400677a68e63fb491b03c435d7
  1. test/
  2. Android.bp
  3. LICENSE
  4. METADATA
  5. OWNERS
  6. PREUPLOAD.cfg
  7. time_in_state.c
  8. time_in_state_test.cpp