Add COLD_DEVICE_REBOOTING LatencyType

Since launcher COLD startup latency is drastically different when device is rebooting vs not, we will add COLD_DEVICE_REBOOTING LatencyType

See "Add Startup Latency Type" section in go/launcher-startup-latency

Bug: b/277962421
Test: app build
Change-Id: I4d0a22c105417b5bcdbae9ed9fc72aa927f9adc9
1 file changed