Unconditionally test mapping files.

Part of an effort to remove Treble-specifics in the way be build
sepolicy.

Fixes: 64541653
Test: m selinux_policy for aosp_arm64
Change-Id: I9e42c720018674e7d3a6c47e01995401c4e748a7

Android.mk

@@ -1573,8 +1573,6 @@ $(sepolicy_tests): $(HOST_OUT_EXECUTABLES)/sepolicy_tests $(all_fc_files) $(buil
 	$(hide) touch $@
 
 ##################################
-ifeq ($(PRODUCT_SEPOLICY_SPLIT),true)
-
 intermediates := $(call intermediates-dir-for,ETC,built_plat_sepolicy,,,,)
 
 # plat_sepolicy - the current platform policy only, built into a policy binary.
@@ -1654,8 +1652,6 @@ base_plat_policy.conf :=
 base_plat_pub_policy.conf :=
 plat_sepolicy :=
 
-endif # ($(PRODUCT_SEPOLICY_SPLIT),true)
-
 #################################
 include $(CLEAR_VARS)
 LOCAL_MODULE := sepolicy_freeze_test