Add microphone pemrission on default to content catprue service package

This is required for capturing playback audio for Tap2Captions. (Live
Captions).
Read the content capture service package name from the content capture
service name defined in the resources.

Change-Id: I6190e1eddf67a9f1d3d3718f61b22a0f235a05e9
Bug: 120408493
Test: manually that actions services has the permissions granted.