tree 562ca691fa218381e6640598d22d0f0b2c7516dc
parent 1ac29896b079f0d2c279f93f882fccca22947ab9
author Erik Staats <estaats@google.com> 1493244955 -0700
committer Erik Staats <estaats@google.com> 1493246366 -0700

Change set_sched_policy to set slack for current thread.

Change set_sched_policy to use prctl PR_SET_TIMERSLACK if setting the policy
for the current thread and /proc/<tid>/timerslack_ns is not supported by the
kernel.

Bug: 32972117
Test: Verified that libcutils SchedPolicy tests pass.  See details in
testing done comment in
https://android-review.googlesource.com/381303 .
Change-Id: Id70940ed7f9ed94c3d105213f069bf3e5a8d8824