Property to enable heap profile from process startup.

This is world-readable so it can be checked in libc's process init.

Test: m
Test: flash sailfish

Bug: 117821125

Change-Id: Iac7317ceb75b5ad9cfb9adabdf16929263fa8a9d
diff --git a/private/property_contexts b/private/property_contexts
index 0fc3de6..adede99 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -143,6 +143,9 @@
 lowpan.                 u:object_r:lowpan_prop:s0
 ro.lowpan.              u:object_r:lowpan_prop:s0
 
+# heapprofd properties
+heapprofd.              u:object_r:heapprofd_prop:s0
+
 # hwservicemanager properties
 hwservicemanager.       u:object_r:hwservicemanager_prop:s0