Wifi hal - Firmware dump permissions

we are aiming to improve logging performance by having wifi hal
directly write to the flash.

Wifi hal need to be able to create, write, and delete files in
a directory. This will be restricted to userdebug and eng builds only.

Bug: 70170285
Test: compile, run on device
Change-Id: Id0cd317411f4c393d7529aa31b501046d7350edb
diff --git a/private/compat/26.0/26.0.ignore.cil b/private/compat/26.0/26.0.ignore.cil
index 927296d..5616527 100644
--- a/private/compat/26.0/26.0.ignore.cil
+++ b/private/compat/26.0/26.0.ignore.cil
@@ -40,6 +40,7 @@
     thermalserviced_tmpfs
     timezone_service
     tombstoned_java_trace_socket
+    tombstone_wifi_data_file
     update_engine_log_data_file
     vendor_init
     vold_prepare_subdirs
diff --git a/private/file_contexts b/private/file_contexts
index ad6a922..f4e5bd9 100644
--- a/private/file_contexts
+++ b/private/file_contexts
@@ -349,6 +349,7 @@
 /data/app-private(/.*)?               u:object_r:apk_private_data_file:s0
 /data/app-private/vmdl.*\.tmp(/.*)?   u:object_r:apk_private_tmp_file:s0
 /data/tombstones(/.*)?	u:object_r:tombstone_data_file:s0
+/data/vendor/tombstones/wifi(/.*)? u:object_r:tombstone_wifi_data_file:s0
 /data/local/tmp(/.*)?	u:object_r:shell_data_file:s0
 /data/media(/.*)?	u:object_r:media_rw_data_file:s0
 /data/mediadrm(/.*)?	u:object_r:media_data_file:s0