Revert "Add getNativeTid function"

Revert submission 1202786-setpriority

Reason for revert: will cause lock contention
Reverted Changes:
I46093c953:Use ThreadPrioritySetter to set thread priority
Ic13c13803:Add getNativeTid function
Ib486b7229:Implement the ThreadPrioritySetter interface

Bug: 139521784
Test: build pass
Change-Id: Ie13eee23321cf78cd8e0c4e06b5215936710d8d7
1 file changed