Update guice-multibindings sha1

bdffdea92f0163839982704e4d52e92de5eff2f2 (Adds the Soy library and
injects it via EmailArguments, 2016-08-22) set the correct sha1 for
version 4.0.0 of this jar, but by the time it was merged, VERSION had
been increased to 4.1.0.  4d0d2cf9f1584ee4f5f2aa6dca56c9c3416d4f79
(Merge "Adds the Soy library and injects it via EmailArguments",
2016-08-23) and newer fail to build as a result:

 Download http://repo1.maven.org/maven2/com/google/inject/extensions/guice-multibindings/4.1.0/guice-multibindings-4.1.0.jar
 http://repo1.maven.org/maven2/com/google/inject/extensions/guice-multibindings/4.1.0/guice-multibindings-4.1.0.jar:
 expected f4509545b4470bbcc865aa500ad6fef2e97d28bf
 received 3b27257997ac51b0f8d19676f1ea170427e86d51

Change-Id: I80398dd6287c693f918382a0ce2c2a39456b01b8
diff --git a/lib/guice/BUCK b/lib/guice/BUCK
index 1c74531..8022ac8 100644
--- a/lib/guice/BUCK
+++ b/lib/guice/BUCK
@@ -68,7 +68,7 @@
 maven_jar(
   name = 'multibindings',
   id = 'com.google.inject.extensions:guice-multibindings:' + VERSION,
-  sha1 = 'f4509545b4470bbcc865aa500ad6fef2e97d28bf',
+  sha1 = '3b27257997ac51b0f8d19676f1ea170427e86d51',
   exclude_java_sources = True,
   exclude = EXCLUDE + [
     'META-INF/maven/com.google.guava/guava/pom.properties',