Bug: 264490014
Test: 1. Enable tcpdump_logger always-on function
2. Dump bugreport
3. Pull dumpstate_board.bin and chagne it to zip
4. Unzip dumpstate_board.zip and check if tcpdump files
are there.
Change-Id: I420f26f17260dff34617c8c723f126ee9e56bb27