Add push_message as a trigger_type for ProcessStartTime

Test: m -j statsd_testdrive
./out/host/linux-x86/bin/statsd_testdrive 169

Bug: 242928495
Change-Id: I57e1c460b9597d1d78ecfce3087e49931e3dac17
1 file changed
tree: 7b24f5bf7fe7c5a8ef5404ff48848811aac93560
  1. stats/
  2. OWNERS