Add libchromeos-glib for glib dependencies

This cleans up the dependency tree for daemons linking libchromeos
so that only those that actually need glib link against it.

BUG=chromium:508218
TEST=trybots

Change-Id: Iec92f061ae00b81bc440f4c58082adc6cdb059a3
Reviewed-on: https://chromium-review.googlesource.com/284079
Reviewed-by: Alex Deymo <deymo@chromium.org>
Commit-Queue: Christopher Wiley <wiley@chromium.org>
Tested-by: Christopher Wiley <wiley@chromium.org>
diff --git a/libchromeos-glib.pc.in b/libchromeos-glib.pc.in
new file mode 100644
index 0000000..db40d19
--- /dev/null
+++ b/libchromeos-glib.pc.in
@@ -0,0 +1,8 @@
+bslot=@BSLOT@
+
+Name: libchromeos-glib
+Description: chromeos glib wrapper library
+Version: ${bslot}
+Requires.private: @PRIVATE_PC@
+Libs: -lchromeos-glib-${bslot}
+