storaged: allow storaged to access /data/misc/storaged directory

storaged will use this directory to store internal data files.

Bug: 63740245
Change-Id: Ie77961c2b398cc464b7199d3acbcc6287312d3b4
diff --git a/private/file_contexts b/private/file_contexts
index 17378ee..3250537 100644
--- a/private/file_contexts
+++ b/private/file_contexts
@@ -376,6 +376,7 @@
 /data/misc/recovery(/.*)?       u:object_r:recovery_data_file:s0
 /data/misc/shared_relro(/.*)?   u:object_r:shared_relro_file:s0
 /data/misc/sms(/.*)?            u:object_r:radio_data_file:s0
+/data/misc/storaged(/.*)?       u:object_r:storaged_data_file:s0
 /data/misc/systemkeys(/.*)?     u:object_r:systemkeys_data_file:s0
 /data/misc/textclassifier(/.*)?       u:object_r:textclassifier_data_file:s0
 /data/misc/user(/.*)?           u:object_r:misc_user_data_file:s0