sepolicy: allow tracing access to irq/ipi

irq and ipi tracepoint are required for Traceur's irq category.

Bug: 153486528
Test: manually captured a Traceur trace on user builds, verified that the
tracepoints were present.

Change-Id: I2f42fc293e87e2a3567ab55f7533fe6a5d7852bf
1 file changed