Allow access to mediaanalytics service

media framework analytics are gathered in a separate service.
define a context for this new service, allow various
media-related services and libraries to access this new service.

Bug: 30267133
Test: ran media CTS, watched for selinux denials.
Change-Id: I5aa5aaa5aa9e82465b8024f87ed32d6ba4db35ca
diff --git a/private/service_contexts b/private/service_contexts
index 5bf2ce3..9269c2c 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -75,6 +75,7 @@
 media.camera.proxy                        u:object_r:cameraproxy_service:s0
 media.log                                 u:object_r:audioserver_service:s0
 media.player                              u:object_r:mediaserver_service:s0
+media.analytics                           u:object_r:mediaanalytics_service:s0
 media.extractor                           u:object_r:mediaextractor_service:s0
 media.codec                               u:object_r:mediacodec_service:s0
 media.resource_manager                    u:object_r:mediaserver_service:s0