AAPT2: Adding basic binding support

This is incomplete. Still requires:

- filling in layout information in the resulting .bind.xml
- processing elements with <view class=""/>
- processing imports

Change-Id: Ie5d4c5e6435591bbed3248129a548736244894eb
diff --git a/tools/aapt2/Android.mk b/tools/aapt2/Android.mk
index 14f558e..0622dc6 100644
--- a/tools/aapt2/Android.mk
+++ b/tools/aapt2/Android.mk
@@ -27,6 +27,7 @@
 sources := \
 	BigBuffer.cpp \
 	BinaryResourceParser.cpp \
+	BindingXmlPullParser.cpp \
 	ConfigDescription.cpp \
 	Files.cpp \
 	Flag.cpp \
@@ -54,6 +55,7 @@
 
 testSources := \
 	BigBuffer_test.cpp \
+	BindingXmlPullParser_test.cpp \
 	Compat_test.cpp \
 	ConfigDescription_test.cpp \
 	JavaClassGenerator_test.cpp \