Allow profcollectd to search bootstrap bionic libs dir

This is required in addition to reading files under the dir, so that
profcollectd can generate profiles for them.

Test: presubmit
Bug: 166559473
Change-Id: Ic46acab3cfc01c549e2f3ba5e765cb2c4ac8a197
diff --git a/private/profcollectd.te b/private/profcollectd.te
index 44f6434..875ef5b 100644
--- a/private/profcollectd.te
+++ b/private/profcollectd.te
@@ -18,6 +18,9 @@
   # Allow profcollectd to read executable binaries.
   allow profcollectd system_file_type:file r_file_perms;
   allow profcollectd vendor_file_type:file r_file_perms;
+
+  # Allow profcollectd to read system bootstrap libs.
+  allow profcollectd system_bootstrap_lib_file:dir search;
   allow profcollectd system_bootstrap_lib_file:file r_file_perms;
 
   # Allow profcollectd to access tracefs.