same_process_hal_file: access to individual coredomains

Remove blanket coredomain access to same_process_hal_file in favor of
granular access. This change takes into account audits from go/sedenials
(our internal dogfood program)

Bug: 37211678
Test: m selinux_policy
Change-Id: I5634fb65c72d13007e40c131a600585a05b8c4b5
diff --git a/public/hal_allocator.te b/public/hal_allocator.te
index b7e3ca5..6417b62 100644
--- a/public/hal_allocator.te
+++ b/public/hal_allocator.te
@@ -3,3 +3,4 @@
 
 hal_attribute_hwservice(hal_allocator, hidl_allocator_hwservice)
 allow hal_allocator_client hidl_memory_hwservice:hwservice_manager find;
+allow hal_allocator_client same_process_hal_file:file { execute read open getattr map };