Allow find access to drmserver_service from nfc and

 platform_app.

Address the following denials:
SELinux : avc:  denied  { find } for service=drm.drmManager scontext=u:r:nfc:s0 tcontext=u:object_r:drmserver_service:s0 tclass=service_manage
SELinux : avc:  denied  { find } for service=drm.drmManager scontext=u:r:platform_app:s0:c512,c768 tcontext=u:object_r:drmserver_service:s0 tclass=service_manager

Bug: 18831075
Change-Id: I2c162f58f4adae9f6c544f9d9c6a9300877b4f36

nfc.te

@@ -18,6 +18,7 @@ allow nfc nfc_data_file:notdevfile_class_set create_file_perms;
 allow nfc sysfs_nfc_power_writable:file rw_file_perms;
 allow nfc sysfs:file write;
 
+allow nfc drmserver_service:service_manager find;
 allow nfc mediaserver_service:service_manager find;
 allow nfc nfc_service:service_manager add;
 allow nfc surfaceflinger_service:service_manager find;

platform_app.te

@@ -28,6 +28,7 @@ allow platform_app media_rw_data_file:file create_file_perms;
 allow platform_app cache_file:dir create_dir_perms;
 allow platform_app cache_file:file create_file_perms;
 
+allow platform_app drmserver_service:service_manager find;
 allow platform_app mediaserver_service:service_manager find;
 allow platform_app radio_service:service_manager find;
 allow platform_app surfaceflinger_service:service_manager find;