Merge changes from topic 'b/31458381'

* changes:
  init.rc: have hwservicemanager start the HAL class
  Add hwbinder dev node permissions.

CleanSpec.mk

@@ -59,3 +59,4 @@ $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/bin/grep $(PRODUCT_OUT)/syst
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib/hw/gatekeeper.$(TARGET_DEVICE).so)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib64/hw/gatekeeper.$(TARGET_DEVICE).so)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/vendor)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/init.rc)

rootdir/init.rc

@@ -556,6 +556,8 @@ on boot
     # Define default initial receive window size in segments.
     setprop net.tcp.default_init_rwnd 60
 
+    # Start all binderized HAL daemons
+    start hwservicemanager
     class_start core
 
 on nonencrypted
@@ -645,3 +647,13 @@ on property:ro.debuggable=1
 service flash_recovery /system/bin/install-recovery.sh
     class main
     oneshot
+
+service hwservicemanager /system/bin/hwservicemanager
+    user system
+    disabled
+    group system readproc
+    critical
+    writepid /dev/cpuset/system-background/tasks
+
+on property:hwservicemanager.ready=true
+    class_start hal

rootdir/ueventd.rc

@@ -19,6 +19,7 @@ subsystem adf
 /dev/hw_random            0440   root       system
 /dev/ashmem               0666   root       root
 /dev/binder               0666   root       root
+/dev/hwbinder             0666   root       root
 
 # Anyone can read the logs, but if they're not in the "logs"
 # group, then they'll only see log entries for their UID.