cameraserver: Allow camera HAL restart from cameraserver

- Add rule to cameraserver to allow the camera HAL
to restart upon its own restart
- Allows cameraservice watchdog to result in a kill to
the camera HAL process from cameraserver
- Will only affect any camera HAL with "cameraWatchdog"
class initialized in its init file

Test: Manual
Bug: 232864741
Change-Id: Ida4b4c4e25bdf14ffb1047ea84607e830142a90f