Reapply "audio policy: improve sharing input logic to prevent tem..."

This reverts commit 11eb356c.

Bug: 303079083
Test: atest audiopolicy_tests:AudioPolicyManagerInputPreemptionTest
Flag: com.android.media.audioserver.fix_input_sharing_logic
Change-Id: I4061eb1081cf608238ee865b1f399d236b62d3c0