[WifiSoftApAcsTest] Collect cnss diag logs on failure

CHERRY PICKED CHANGES FROM git_master

Bug: 147631482
Test: Verified the changes
Merged-In: Ice80efae308c0c04652bee24dc0ee874d05a820a
Change-Id: Ib2564fdda735cbdbfaf2c608ace019ef715f9e91
1 file changed
tree: f9b82937ae6e908a9c1fd0b4d578511610b9e05c
  1. acts/
  2. tools/
  3. wts-acts/
  4. Android.mk
  5. OWNERS
  6. PREUPLOAD.cfg