hothd master: SRCREV bump df88009b39..a234868672

Nick Hsieh (1):
      hothd: reset niceness

Fusion-Link:
https://fusion2.corp.google.com/67ae571c-1982-3956-8133-6b391c5d3dcd (pass)
https://fusion2.corp.google.com/848c42b0-abbe-387f-917b-772695006a4d (pass)
https://fusion2.corp.google.com/d8ee6d8f-fd30-3738-a4b1-5f1583df95e2 (pass)
https://fusion2.corp.google.com/71510eb1-9ce0-3f3b-bdf2-8d691b6dce8f
(2 failed tests, but not related)
https://fusion2.corp.google.com/d39b96d5-7b11-38aa-940a-0ba27049020d
(platform infra issue, no run.)

Tested: N/A
Google-Bug-Id: 304560636
Google-Bug-Id: 468871929
Change-Id: I72a786f922ef06f01dd6ba1b34393dad3201e740
Signed-off-by: Nick Hsieh <hnick@google.com>