Move PagerView down to the v4 support lib.

Adds in standard adapters for using PagerView with the fragment support library.

Also bring in the most recent HC fragment API and impl changes so that the support
lib matches it.

Change-Id: Id8a590378b8c544a92df4f3c11af323c930aa5fd
diff --git a/v4/Android.mk b/v4/Android.mk
index c6c1d82..95e16c8 100644
--- a/v4/Android.mk
+++ b/v4/Android.mk
@@ -44,6 +44,15 @@
 
 # -----------------------------------------------------------------------
 
+# A helper sub-library that makes direct use of Honeycomb MR2 APIs.
+include $(CLEAR_VARS)
+LOCAL_MODULE := android-support-v4-honeycomb-mr2
+LOCAL_SDK_VERSION := current
+LOCAL_SRC_FILES := $(call all-java-files-under, honeycomb_mr2)
+include $(BUILD_STATIC_JAVA_LIBRARY)
+
+# -----------------------------------------------------------------------
+
 # Here is the final static library that apps can link against.
 include $(CLEAR_VARS)
 LOCAL_MODULE := android-support-v4
@@ -52,7 +61,8 @@
 LOCAL_STATIC_JAVA_LIBRARIES += \
         android-support-v4-eclair \
         android-support-v4-froyo \
-        android-support-v4-honeycomb
+        android-support-v4-honeycomb \
+        android-support-v4-honeycomb-mr2
 include $(BUILD_STATIC_JAVA_LIBRARY)
 
 # Include this library in the build server's output directory