simpleperf: add pid argument to inferno

Bug: 112146809
Test: inferno.sh --pid 620
Change-Id: I99afe432a194bb8799e4633f0a651ff1be2354f5
(cherry picked from commit 6db1fa95d3d4e25c49d3e7b0224df45f521f1f90)
1 file changed