iorapd: Grant CAP_DAC_READ_SEARCH

This grants the permissions for being able to open any file for
readahead.

Bug: 137403191
Test: app_startup_runner.py -in tmp/dumpcache  -r fadvise -p com.google.android.apps.maps
Change-Id: I9a64df7c2b18d417fb512cae27408da1c00163d9
1 file changed