Add autoplay_app domain

Initial check in of empty autoplay_app.te policy file.

Create isAutoPlayApp input selector. Give this selector high precedence -
only below isSystemServer.

Add neverallow rule disallowing an app context with isAutoPlayApp=true from
running in a domain other than autoplay_app.

Change-Id: I1d06669d2f1acf953e50867dfa2b264ccaee29a4
diff --git a/tools/check_seapp.c b/tools/check_seapp.c
index 5a03b7f..d5853ae 100644
--- a/tools/check_seapp.c
+++ b/tools/check_seapp.c
@@ -204,6 +204,7 @@
 key_map rules[] = {
                 /*Inputs*/
                 { .name = "isSystemServer", .type = dt_bool,   .dir = dir_in,  .data = NULL },
+                { .name = "isAutoPlayApp",  .type = dt_bool,   .dir = dir_in,  .data = NULL },
                 { .name = "isOwner",        .type = dt_bool,   .dir = dir_in,  .data = NULL },
                 { .name = "user",           .type = dt_string, .dir = dir_in,  .data = NULL },
                 { .name = "seinfo",         .type = dt_string, .dir = dir_in,  .data = NULL },