Make min/max sampling rate configurable

Platform may support lower or higher sample rate but
it's limited with the fixed value.
This change makes it possible to configure min/max
limit by system properties.

Bug: 30483830
Test: Use MediaCodecInfo for the codec which has higher
 sampling rate.

Change-Id: Ifb6da86d21b530fb908e68bdb71474aee4d1b581