Allow app_process to link /data/asan/system_ext/lib/*

app_process couldn't map /data/asan/system_ext/lib/libgpud_sys.so
avc:  denied  { execute } for  path="/data/asan/system_ext/lib/libgpud_sys.so"
dev="dm-43" ino=784 scontext=u:r:zygote:s0 tcontext=u:object_r:system_data_file:s0
tclass=file permissive=0

Bug: 286479817
Test: bootup, app_process can work well with asan enabled.
Change-Id: I577105fe1b0c4cb7fa98ccb33eac0f59a0e645f6
diff --git a/private/file_contexts_asan b/private/file_contexts_asan
index fd083c2..9554a76 100644
--- a/private/file_contexts_asan
+++ b/private/file_contexts_asan
@@ -6,8 +6,8 @@
 /data/asan/odm/lib64(/.*)?                 u:object_r:system_lib_file:s0
 /data/asan/product/lib(/.*)?               u:object_r:system_lib_file:s0
 /data/asan/product/lib64(/.*)?             u:object_r:system_lib_file:s0
-/data/asan/system/system_ext/lib(/.*)?     u:object_r:system_lib_file:s0
-/data/asan/system/system_ext/lib64(/.*)?   u:object_r:system_lib_file:s0
+/data/asan/(system_ext|system/system_ext)/lib(/.*)?     u:object_r:system_lib_file:s0
+/data/asan/(system_ext|system/system_ext)/lib64(/.*)?   u:object_r:system_lib_file:s0
 /system/asan.options           u:object_r:system_asan_options_file:s0
 /system/bin/asan_extract       u:object_r:asan_extract_exec:s0
 /system/bin/asanwrapper        u:object_r:asanwrapper_exec:s0