Group all HAL impls using haldomain attribute

This marks all HAL domain implementations with the haldomain attribute
so that rules can be written which apply to all HAL implementations.

This follows the pattern used for appdomain, netdomain and
bluetoothdomain.

Test: No change to policy according to sesearch.
Bug: 34180936
Change-Id: I0cfe599b0d49feed36538503c226dfce41eb65f6
25 files changed