Collect cnss diag logs when failed for wifi related tests

This CL has below changes:
- Add codes of cnss diag collection for wifi base test classes
  (WifiBaseTest, WifiP2pBaseTest, AwareBaseTest, RttBaseTest)
- Add function calls for wifi test classes to collect cnss diag
  logs when test failed

Bug: 165446308
Test: Run affected tests

Merged-In: I0010055723f4225a91d3d99f1ac2dc1522aaba5b
Change-Id: I600b2a3f897c9f2c04d16e629a01347a108832fb
40 files changed
tree: 214b4f7e9a1a436b2670f321e896320c4eaf4147
  1. acts/
  2. tools/
  3. wts-acts/
  4. Android.mk
  5. OWNERS
  6. PREUPLOAD.cfg