bluetooth/log: Implement expected behavior on fatal logs

The following is not implemented in __android_log_write_log_message
and needs to be added to vlog_android
- Write message line to stderr for gtest and debugging
- Invoke abort() after writing the log line

Bug: 305066880
Test: atest bluetooth_test_sdp
Flag: EXEMPT, tool change
Change-Id: I21c359d75a2b922211464f0920038ae507af0148