gralloc: add IAllocator/IMapper 4.0 sepolicy

Add support for gralloc 4.0 to sepolicy

Bug: 136016160
Test: Compiles and boots

Change-Id: I148cc19176275e8cbd19cc95aa95d4d450353b7a
diff --git a/vendor/file_contexts b/vendor/file_contexts
index 1fa885d..d647e22 100644
--- a/vendor/file_contexts
+++ b/vendor/file_contexts
@@ -25,6 +25,7 @@
 /(vendor|system/vendor)/bin/hw/android\.hardware\.gnss@[0-9]\.[0-9]-service   u:object_r:hal_gnss_default_exec:s0
 /(vendor|system/vendor)/bin/hw/android\.hardware\.graphics\.allocator@2\.0-service   u:object_r:hal_graphics_allocator_default_exec:s0
 /(vendor|system/vendor)/bin/hw/android\.hardware\.graphics\.allocator@3\.0-service   u:object_r:hal_graphics_allocator_default_exec:s0
+/(vendor|system/vendor)/bin/hw/android\.hardware\.graphics\.allocator@4\.0-service   u:object_r:hal_graphics_allocator_default_exec:s0
 /(vendor|system/vendor)/bin/hw/android\.hardware\.graphics\.composer@[0-9]\.[0-9]-service    u:object_r:hal_graphics_composer_default_exec:s0
 /(vendor|system/vendor)/bin/hw/android\.hardware\.health@1\.0-service         u:object_r:hal_health_default_exec:s0
 /(vendor|system/vendor)/bin/hw/android\.hardware\.health@2\.0-service         u:object_r:hal_health_default_exec:s0
@@ -68,6 +69,7 @@
 /(vendor|system/vendor)/lib(64)?/hw/android\.hardware\.graphics\.mapper@2\.0-impl\.so u:object_r:same_process_hal_file:s0
 /(vendor|system/vendor)/lib(64)?/hw/android\.hardware\.graphics\.mapper@2\.0-impl-2\.1\.so u:object_r:same_process_hal_file:s0
 /(vendor|system/vendor)/lib(64)?/hw/android\.hardware\.graphics\.mapper@3\.0-impl\.so u:object_r:same_process_hal_file:s0
+/(vendor|system/vendor)/lib(64)?/hw/android\.hardware\.graphics\.mapper@4\.0-impl\.so u:object_r:same_process_hal_file:s0
 /(vendor|system/vendor)/lib(64)?/hw/android\.hardware\.renderscript@1\.0-impl\.so     u:object_r:same_process_hal_file:s0
 /(vendor|system/vendor)/lib(64)?/hw/gralloc\.default\.so                              u:object_r:same_process_hal_file:s0