Switch LayoutLib to Java 8
The main build hasn't swtiched to java 8, but lambdas are already used
in layoutlib. This fixes the build break.
Change-Id: I4dd69ebd736179067899f5d86d3608d5fdb03d93
diff --git a/tools/layoutlib/create/Android.mk b/tools/layoutlib/create/Android.mk
index c7f2c41..47377ae 100644
--- a/tools/layoutlib/create/Android.mk
+++ b/tools/layoutlib/create/Android.mk
@@ -16,6 +16,8 @@
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
+LOCAL_JAVA_LANGUAGE_VERSION := 1.8
+
LOCAL_SRC_FILES := $(call all-java-files-under,src)
LOCAL_JAR_MANIFEST := manifest.txt