hal_health: move system_file permissions to public/hal_health

Bug: 34231014
Test: Boot angler to ensure no additional denials are reported.

Change-Id: Ic2372d55f7072c65e7ea17036a8eb40dc531d60e
Signed-off-by: Sandeep Patil <sspatil@google.com>

private/hal_health_default.te

@@ -3,8 +3,3 @@ type hal_health_default, hal_health, domain;
 type hal_health_default_exec, exec_type, file_type;
 
 init_daemon_domain(hal_health_default)
-
-# Read access to system files for HALs in
-# /{system,vendor,odm}/lib[64]/hw/ in order
-# to be able to open the hal implementation .so files
-r_dir_file(hal_health, system_file)

public/hal_health.te

@@ -3,3 +3,8 @@ hwbinder_use(hal_health)
 
 # call into healthd for callbacks
 binder_call(hal_health, healthd)
+
+# Read access to system files for HALs in
+# /{system,vendor,odm}/lib[64]/hw/ in order
+# to be able to open the hal implementation .so files
+r_dir_file(hal_health, system_file)