configstore: configstore HAL is up-revisioned to 1.1

This change provides a reference implementation of the configstore HAL
v1.1.

Bug: 37727469
Test: Built sailfish-userdebug and configstore-1.1 works
Change-Id: I75e7fd1da8e90ae48d779a3ba28957c5a93a5529
diff --git a/configstore/Android.bp b/configstore/Android.bp
index ba3e62e..21dc2b4 100644
--- a/configstore/Android.bp
+++ b/configstore/Android.bp
@@ -2,5 +2,6 @@
 subdirs = [
     "1.0",
     "1.0/vts/functional",
+    "1.1",
     "utils",
 ]