policy: Integrating with device-manager and stream-manager

policy: Integrating with device-manager and stream-manager

Apply current state of the volume-mute to the new stream when calling sink-input-put/source-output-put callback
Change logic for getting volume level and mute
Remove GET_VOLUME_LEVEL_MAX operation in module-policy.c/ext-policy.c
Support stream connection information API for hal-manager
Support manual routing
Remove sample play feature in module-policy (rather it is recommended to use module-sound-player)
Fix bugs

[Version] 0.5-14
[Profile] Common
[Issue Type] add features and fix bugs

Change-Id: I00dc48805965a4c1987ef547269d83ce9fb854cc