Revert "Updates sepolicy for EVS HAL"

Revert submission 1967140-EVS_sepolicy_updates_T

Reason for revert: triggered revert due to breakage https://android-build.googleplex.com/builds/quarterdeck?branch=git_master&target=cf_x86_64_auto-userdebug&lkgb=8168894&lkbb=8168958&fkbb=8168947, bug b/218802298
Reverted Changes:
I730d56ab1:Allows hal_evs_default to read directories
I2df8e10f5:Updates sepolicy for EVS HAL
Ie6cb3e269:Adds a sepolicy for EVS manager service

Change-Id: I1cc37b0e56646db61bdb34cb209aefe7376c5a50
diff --git a/vendor/file_contexts b/vendor/file_contexts
index 4faa05a..762cf20 100644
--- a/vendor/file_contexts
+++ b/vendor/file_contexts
@@ -8,7 +8,7 @@
 /(vendor|system/vendor)/bin/hw/android\.hardware\.automotive\.audiocontrol@2\.0-service    u:object_r:hal_audiocontrol_default_exec:s0
 /(vendor|system/vendor)/bin/hw/android\.hardware\.automotive\.audiocontrol-service.example u:object_r:hal_audiocontrol_default_exec:s0
 /(vendor|system/vendor)/bin/hw/android\.hardware\.automotive\.can@1\.0-service  u:object_r:hal_can_socketcan_exec:s0
-/(vendor|system/vendor)/bin/hw/android\.hardware\.automotive\.evs(.*)?          u:object_r:hal_evs_default_exec:s0
+/(vendor|system/vendor)/bin/hw/android\.hardware\.automotive\.evs@1\.[0-9]-service  u:object_r:hal_evs_default_exec:s0
 /(vendor|system/vendor)/bin/hw/android\.hardware\.automotive\.vehicle@2\.0-((default|emulator)-)*(service|protocan-service)  u:object_r:hal_vehicle_default_exec:s0
 /(vendor|system/vendor)/bin/hw/android\.hardware\.automotive\.vehicle@V1-(default|emulator)-service u:object_r:hal_vehicle_default_exec:s0
 /(vendor|system/vendor)/bin/hw/android\.hardware\.bluetooth@1\.[0-9]+-service      u:object_r:hal_bluetooth_default_exec:s0