Sanitize HTML for Android Email and the EML viewer

b/14567151

This check-in introduces the sanitizer class and the necessary build
changes to compile it. A sibling checkin will actually call it.

Change-Id: I6b6a15b31a5b6be4fcd666a269dd2ccbe9e9fd50
diff --git a/Android.mk b/Android.mk
new file mode 100644
index 0000000..a12d797
--- /dev/null
+++ b/Android.mk
@@ -0,0 +1,23 @@
+# Copyright (C) 2014 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := owasp-html-sanitizer
+LOCAL_SDK_VERSION := 19
+LOCAL_SRC_FILES := $(call all-java-files-under, src/main)
+LOCAL_STATIC_JAVA_LIBRARIES := jsr305 guava
+
+include $(BUILD_STATIC_JAVA_LIBRARY)