6cb10246a8
Purge spam log when iorapd process is not alive. Turn off the Iorap Service when both tracing and prefetching are not alive. Bug: 174588448 Test: set the flags via mendel and check the log Change-Id: I8d4e0c869dec5e7dc5016622b154aef46e1d4f02 (cherry picked from commit 11b592be871ea04bf634d2355ec3298bec9a94e6)