thermalserviced: add ThermalService daemon

Add ThermalService daemon to embedded.mk as part of the minimal build
of open source parts of the tree.

Test: manual on marlin
Bug: 30982366
Change-Id: I8315a8f5871ec24d8970deaa8527ee74db1c4dc7
(cherry picked from commit d006688090e7ef31985dd728c2b92e4951371d57)
1 file changed