[metrics] Update metrics to build against libchrome-180609

base/eintr_wrapper.h moved to base/posix/eintr_wrapper.h

CQ-DEPEND=Ib19c1382ab28ae7632728aa672478da2feb3950e

BUG=chromium-os:38941
TEST=emerge the metrics package with tests enabled.
STATUS=Fixed

Change-Id: I5d72d8934930ce394786ee151fd8f390b5caf2e1
Reviewed-on: https://gerrit.chromium.org/gerrit/43297
Tested-by: Chris Masone <cmasone@chromium.org>
Reviewed-by: Luigi Semenzato <semenzato@chromium.org>
Commit-Queue: Chris Masone <cmasone@chromium.org>
diff --git a/metrics/Makefile b/metrics/Makefile
index 54d927e..0774a24 100644
--- a/metrics/Makefile
+++ b/metrics/Makefile
@@ -5,7 +5,7 @@
 # Makefile for metrics utilities -- library, client and daemon
 #
 
-BASE_VER ?= 125070
+BASE_VER ?= 180609
 PKG_CONFIG ?= pkg-config
 PC_DEPS = dbus-1 glib-2.0 gthread-2.0 dbus-glib-1 \
 	libchrome-$(BASE_VER) libchromeos-$(BASE_VER)