diff --git a/CleanSpec.mk b/CleanSpec.mk
index 64d84e3..a7c91b4 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -354,7 +354,7 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/default.prop)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/recovery/root/default.prop)
 
-# Change PLATFORM_VERSION from MNC to M
+# New York, New York!
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
@@ -364,11 +364,6 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
 
-# 23 is becoming more alive!!!
-$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
-$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
-$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
-
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
 
 # ************************************************
diff --git a/core/Makefile b/core/Makefile
index 66d9ce0..d72dfcb 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -486,7 +486,6 @@
 INTERNAL_BOOTIMAGE_ARGS += --ramdisk $(INSTALLED_RAMDISK_TARGET)
 endif
 
-
 INTERNAL_BOOTIMAGE_FILES := $(filter-out --%,$(INTERNAL_BOOTIMAGE_ARGS))
 
 BOARD_KERNEL_CMDLINE := $(strip $(BOARD_KERNEL_CMDLINE))
diff --git a/core/base_rules.mk b/core/base_rules.mk
index ea64cc6..c30eef0 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -549,7 +549,7 @@
   LOCAL_ACP_UNAVAILABLE := $(strip $(HOST_ACP_UNAVAILABLE))
 endif
 
-ifndef LOCAL_UNINSTALLABLE_MODULE
+ifneq (true,$(LOCAL_UNINSTALLABLE_MODULE))
   # Define a copy rule to install the module.
   # acp and libraries that it uses can't use acp for
   # installation;  hence, LOCAL_ACP_UNAVAILABLE.
@@ -596,6 +596,34 @@
 endif
 
 ###########################################################
+## Compatibiliy suite files.
+###########################################################
+ifdef LOCAL_COMPATIBILITY_SUITE
+ifneq ($(words $(LOCAL_COMPATIBILITY_SUITE)),1)
+$(error $(LOCAL_PATH):$(LOCAL_MODULE) LOCAL_COMPATIBILITY_SUITE can be only one name)
+endif
+
+cts_testcase_file := $(COMPATIBILITY_TESTCASES_OUT_$(LOCAL_COMPATIBILITY_SUITE))/$(my_installed_module_stem)
+$(cts_testcase_file) : $(LOCAL_BUILT_MODULE) | $(ACP)
+	$(copy-file-to-new-target)
+
+cts_testcase_config :=
+android_test_xml := $(wildcard $(LOCAL_PATH)/AndroidTest.xml)
+ifdef android_test_xml
+cts_testcase_config := $(COMPATIBILITY_TESTCASES_OUT_$(LOCAL_COMPATIBILITY_SUITE))/$(LOCAL_MODULE).config
+$(cts_testcase_config) : $(android_test_xml) | $(ACP)
+	$(copy-file-to-new-target)
+endif
+
+COMPATIBILITY.$(LOCAL_COMPATIBILITY_SUITE).FILES := \
+  $(COMPATIBILITY.$(LOCAL_COMPATIBILITY_SUITE).FILES) \
+  $(cts_testcase_file) $(cts_testcase_config)
+
+# Copy over the compatibility files when user runs mm/mmm.
+$(my_register_name) : $(cts_testcase_file) $(cts_testcase_config)
+endif  # LOCAL_COMPATIBILITY_SUITE
+
+###########################################################
 ## Register with ALL_MODULES
 ###########################################################
 
@@ -724,7 +752,6 @@
 endif # TARGET_
 
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_STATIC_JACK_LIBRARIES := $(full_static_jack_libs)
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_VM_ARGS := $(LOCAL_JACK_VM_ARGS)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_EXTRA_ARGS := $(LOCAL_JACK_EXTRA_ARGS)
 
 ifdef LOCAL_IS_HOST_MODULE
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 6c2d52e..966cffd 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -82,6 +82,7 @@
 LOCAL_DROIDDOC_CUSTOM_ASSET_DIR:=
 LOCAL_DROIDDOC_OPTIONS:=
 LOCAL_DROIDDOC_HTML_DIR:=
+LOCAL_DROIDDOC_STUB_OUT_DIR:=
 LOCAL_ADDITIONAL_HTML_DIR:=
 LOCAL_ASSET_DIR:=
 LOCAL_RESOURCE_DIR:=
@@ -108,7 +109,6 @@
 LOCAL_ALLOW_UNDEFINED_SYMBOLS:=
 LOCAL_DX_FLAGS:=
 LOCAL_JACK_ENABLED:=$(DEFAULT_JACK_ENABLED) # '' (ie disabled), disabled, full, incremental
-LOCAL_JACK_VM_ARGS := $(DEFAULT_JACK_VM_ARGS)
 LOCAL_JACK_EXTRA_ARGS := $(DEFAULT_JACK_EXTRA_ARGS)
 LOCAL_JACK_FLAGS:=
 LOCAL_JILL_FLAGS:=
@@ -147,6 +147,7 @@
 LOCAL_ODM_MODULE:=
 LOCAL_PRIVILEGED_MODULE:=
 LOCAL_MODULE_OWNER:=
+LOCAL_COMPATIBILITY_SUITE:=
 LOCAL_CTS_TEST_PACKAGE:=
 LOCAL_CTS_TEST_RUNNER:=
 LOCAL_CLANG:=
@@ -179,6 +180,7 @@
 LOCAL_DPI_FILE_STEM:=
 LOCAL_SANITIZE:=
 LOCAL_SANITIZE_RECOVER:=
+LOCAL_DATA_BINDING:=
 
 # arch specific variables
 LOCAL_SRC_FILES_$(TARGET_ARCH):=
diff --git a/core/config.mk b/core/config.mk
index 97f29aa..25b76c2 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -31,6 +31,11 @@
 # only has an effect on python 2.6 and above.
 export PYTHONDONTWRITEBYTECODE := 1
 
+ifneq ($(GREP_OPTIONS),)
+$(warning The build system needs unmodified output of grep.)
+$(error Please unset your $$GREP_OPTIONS.)
+endif
+
 # Standard source directories.
 SRC_DOCS:= $(TOPDIR)docs
 # TODO: Enforce some kind of layering; only add include paths
@@ -404,9 +409,7 @@
 # Generic tools.
 JACK := $(HOST_OUT_EXECUTABLES)/jack
 JACK_JAR := $(HOST_OUT_JAVA_LIBRARIES)/jack.jar
-JACK_LAUNCHER_JAR := $(HOST_OUT_JAVA_LIBRARIES)/jack-launcher.jar
 JILL_JAR := $(HOST_OUT_JAVA_LIBRARIES)/jill.jar
-JACK_MULTIDEX_DEFAULT_PREPROCESSOR := frameworks/multidex/library/resources/JACK-INF/legacyMultidexInstallation.jpp
 
 LEX := prebuilts/misc/$(BUILD_OS)-$(HOST_PREBUILT_ARCH)/flex/flex-2.5.39
 # The default PKGDATADIR built in the prebuilt bison is a relative path
@@ -452,33 +455,19 @@
 TUNE2FS := $(HOST_OUT_EXECUTABLES)/tune2fs$(HOST_EXECUTABLE_SUFFIX)
 E2FSCK := $(HOST_OUT_EXECUTABLES)/e2fsck$(HOST_EXECUTABLE_SUFFIX)
 JARJAR := $(HOST_OUT_JAVA_LIBRARIES)/jarjar.jar
+DATA_BINDING_COMPILER := $(HOST_OUT_JAVA_LIBRARIES)/databinding-compiler.jar
 
 ifeq ($(ANDROID_COMPILE_WITH_JACK),true)
 DEFAULT_JACK_ENABLED:=full
 else
 DEFAULT_JACK_ENABLED:=
 endif
-ifneq ($(strip $(ANDROID_JACK_VM)),)
-JACK_VM := $(ANDROID_JACK_VM)
-else
-JACK_VM := java
-endif
 # call jack
 #
-# $(1): vm arguments
-# $(2): jack perf arguments
-ifneq (,$(strip $(filter dist,$(MAKECMDGOALS))))
-JACK_SERVER_LOG_COMMAND := mkdir -p $(DIST_DIR)/logs/; SERVER_LOG=$(DIST_DIR)/logs/jack-server.log
-endif
+# $(1): jack perf arguments
 define call-jack
-$(JACK_SERVER_LOG_COMMAND) JACK_VM_COMMAND="$(JACK_VM) $(1) $(JAVA_TMPDIR_ARG) -jar $(JACK_LAUNCHER_JAR) " JACK_JAR="$(JACK_JAR)" $(JACK) $(2)
+$(JACK) $(1)
 endef
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_VM_ARGS := $(DEFAULT_JACK_VM_ARGS)
-ifneq ($(ANDROID_JACK_VM_ARGS),)
-DEFAULT_JACK_VM_ARGS := $(ANDROID_JACK_VM_ARGS)
-else
-DEFAULT_JACK_VM_ARGS := -Dfile.encoding=UTF-8 -Xms2560m -XX:+TieredCompilation
-endif
 ifneq ($(ANDROID_JACK_EXTRA_ARGS),)
 DEFAULT_JACK_EXTRA_ARGS := $(ANDROID_JACK_EXTRA_ARGS)
 else
@@ -487,7 +476,7 @@
 # Turn off jack warnings by default.
 DEFAULT_JACK_EXTRA_ARGS += --verbose error
 
-JILL := java -Xmx3500m -jar $(JILL_JAR)
+JILL := java -jar $(JILL_JAR)
 PROGUARD := external/proguard/bin/proguard.sh
 JAVATAGS := build/tools/java-event-log-tags.py
 LLVM_RS_CC := $(HOST_OUT_EXECUTABLES)/llvm-rs-cc$(HOST_EXECUTABLE_SUFFIX)
diff --git a/core/definitions.mk b/core/definitions.mk
index 76df3f9..c0fa5c5 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -1802,7 +1802,7 @@
 else \
     export tmpEcjArg=""; \
 fi; \
-$(call call-jack,$(PRIVATE_JACK_VM_ARGS),$(PRIVATE_JACK_EXTRA_ARGS)) \
+$(call call-jack,$(PRIVATE_JACK_EXTRA_ARGS)) \
     $(strip $(PRIVATE_JACK_FLAGS)) \
     $(strip $(PRIVATE_JACK_DEBUG_FLAGS)) \
     $(if $(NO_OPTIMIZE_DX), \
@@ -1822,7 +1822,7 @@
     $(addprefix --config-jarjar ,$(strip $(PRIVATE_JARJAR_RULES))) \
     $(if $(PRIVATE_JACK_PROGUARD_FLAGS),--config-proguard $@.flags) \
     $$tmpEcjArg \
-    || ( rm -rf $(PRIVATE_CLASSES_JACK); rm -rf $(PRIVATE_JACK_INTERMEDIATES_DIR); exit 41 )
+    || ( rm -rf $(PRIVATE_CLASSES_JACK); exit 41 )
 $(hide) mv $(PRIVATE_JACK_INTERMEDIATES_DIR)/classes*.dex $(dir $@)
 $(hide) rm -f $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list
 $(if $(PRIVATE_EXTRA_JAR_ARGS),$(hide) rm -rf $@.res.tmp)
@@ -1838,7 +1838,7 @@
 	$(hide) mkdir -p $@.tmpjill.res
 	$(hide) $(call unzip-jar-files,$<,$@.tmpjill.res)
 	$(hide) find $@.tmpjill.res -iname "*.class" -delete
-	$(hide) $(call call-jack,$(PRIVATE_JACK_VM_ARGS),$(PRIVATE_JACK_EXTRA_ARGS)) \
+	$(hide) $(call call-jack,$(PRIVATE_JACK_EXTRA_ARGS)) \
         -D jack.import.resource.policy=keep-first \
         -D jack.import.type.policy=keep-first \
 	    --import $@.tmpjill.jack \
@@ -1882,7 +1882,7 @@
 else \
     export tmpEcjArg=""; \
 fi; \
-$(call call-jack,$(PRIVATE_JACK_VM_ARGS),$(PRIVATE_JACK_EXTRA_ARGS)) \
+$(call call-jack,$(PRIVATE_JACK_EXTRA_ARGS)) \
     $(strip $(PRIVATE_JACK_FLAGS)) \
     $(strip $(PRIVATE_JACK_DEBUG_FLAGS)) \
     $(if $(NO_OPTIMIZE_DX), \
diff --git a/core/droiddoc.mk b/core/droiddoc.mk
index aae2aba..289aa5e 100644
--- a/core/droiddoc.mk
+++ b/core/droiddoc.mk
@@ -98,6 +98,7 @@
 
 $(full_target): PRIVATE_OUT_DIR := $(out_dir)
 $(full_target): PRIVATE_DROIDDOC_OPTIONS := $(LOCAL_DROIDDOC_OPTIONS)
+$(full_target): PRIVATE_STUB_OUT_DIR := $(LOCAL_DROIDDOC_STUB_OUT_DIR)
 
 # Lists the input files for the doc build into a text file
 # suitable for the @ syntax of javadoc.
@@ -164,6 +165,7 @@
         $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	@echo Docs droiddoc: $(PRIVATE_OUT_DIR)
 	$(hide) mkdir -p $(dir $@)
+	$(addprefix $(hide) rm -rf ,$(PRIVATE_STUB_OUT_DIR))
 	$(call prepare-doc-source-list,$(PRIVATE_SRC_LIST_FILE),$(PRIVATE_JAVA_FILES), \
 			$(PRIVATE_SOURCE_INTERMEDIATES_DIR) $(PRIVATE_ADDITIONAL_JAVA_DIR))
 	$(hide) ( \
@@ -185,6 +187,7 @@
                 -d $(PRIVATE_OUT_DIR) \
                 $(PRIVATE_CURRENT_BUILD) $(PRIVATE_CURRENT_TIME) \
                 $(PRIVATE_DROIDDOC_OPTIONS) \
+                $(addprefix -stubs ,$(PRIVATE_STUB_OUT_DIR)) \
         && touch -f $@ \
     ) || (rm -rf $(PRIVATE_OUT_DIR) $(PRIVATE_SRC_LIST_FILE); exit 45)
 
diff --git a/core/host_dalvik_java_library.mk b/core/host_dalvik_java_library.mk
index 4814d70..5516e34 100644
--- a/core/host_dalvik_java_library.mk
+++ b/core/host_dalvik_java_library.mk
@@ -129,7 +129,7 @@
 $(built_dex): PRIVATE_JACK_FLAGS := $(LOCAL_JACK_FLAGS)
 $(built_dex): $(java_sources) $(java_resource_sources) $(full_jack_lib_deps) \
         $(jar_manifest_file) $(proto_java_sources_file_stamp) $(LOCAL_MODULE_MAKEFILE) \
-        $(LOCAL_MODULE_MAKEFILE) $(LOCAL_ADDITIONAL_DEPENDENCIES) $(JACK_JAR) $(JACK_LAUNCHER_JAR)
+        $(LOCAL_MODULE_MAKEFILE) $(LOCAL_ADDITIONAL_DEPENDENCIES) $(JACK)
 	@echo Building with Jack: $@
 	$(jack-java-to-dex)
 
diff --git a/core/host_dalvik_static_java_library.mk b/core/host_dalvik_static_java_library.mk
index 90bcc12..496e75d 100644
--- a/core/host_dalvik_static_java_library.mk
+++ b/core/host_dalvik_static_java_library.mk
@@ -48,7 +48,7 @@
 $(full_classes_jack): $(java_sources) $(java_resource_sources) $(full_jack_lib_deps) \
         $(jar_manifest_file) $(layers_file) $(LOCAL_MODULE_MAKEFILE) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES) $(LOCAL_JARJAR_RULES) \
-        $(JACK_JAR) $(JACK_LAUNCHER_JAR)
+        $(JACK)
 	@echo Building with Jack: $@
 	$(java-to-jack)
 
diff --git a/core/java.mk b/core/java.mk
index bac5ca7..72ffb2d 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -629,7 +629,7 @@
 jack_all_deps := $(java_sources) $(java_resource_sources) $(full_jack_lib_deps) \
         $(jar_manifest_file) $(layers_file) $(RenderScript_file_stamp) $(proguard_flag_files) \
         $(proto_java_sources_file_stamp) $(LOCAL_ADDITIONAL_DEPENDENCIES) $(LOCAL_JARJAR_RULES) \
-        $(LOCAL_MODULE_MAKEFILE) $(JACK_JAR) $(JACK_LAUNCHER_JAR)
+        $(LOCAL_MODULE_MAKEFILE) $(JACK)
 
 ifeq ($(LOCAL_IS_STATIC_JAVA_LIBRARY),true)
 $(full_classes_jack): $(jack_all_deps)
diff --git a/core/package_internal.mk b/core/package_internal.mk
index 1f98cdc..924cb5d 100644
--- a/core/package_internal.mk
+++ b/core/package_internal.mk
@@ -204,6 +204,24 @@
 
 rs_compatibility_jni_libs :=
 
+ifeq ($(LOCAL_DATA_BINDING),true)
+data_binding_intermediates := $(intermediates.COMMON)/data-binding
+
+LOCAL_JAVACFLAGS += -processorpath $(DATA_BINDING_COMPILER) -s $(data_binding_intermediates)/anno-src
+LOCAL_JACK_FLAGS += --processorpath $(DATA_BINDING_COMPILER)
+
+LOCAL_STATIC_JAVA_LIBRARIES += databinding-baselibrary
+LOCAL_STATIC_JAVA_AAR_LIBRARIES += databinding-library databinding-adapters
+
+data_binding_res_in := $(LOCAL_RESOURCE_DIR)
+data_binding_res_out := $(data_binding_intermediates)/res
+
+# Replace with the processed merged res dir.
+LOCAL_RESOURCE_DIR := $(data_binding_res_out)
+
+LOCAL_AAPT_FLAGS += --auto-add-overlay --extra-packages com.android.databinding.library
+endif  # LOCAL_DATA_BINDING
+
 include $(BUILD_SYSTEM)/android_manifest.mk
 
 #################################
@@ -225,6 +243,34 @@
     PRIVATE_DEFAULT_APP_TARGET_SDK := $(DEFAULT_APP_TARGET_SDK)
 endif
 
+ifeq ($(LOCAL_DATA_BINDING),true)
+data_binding_stamp := $(data_binding_intermediates)/data-binding.stamp
+$(data_binding_stamp): PRIVATE_INTERMEDIATES := $(data_binding_intermediates)
+$(data_binding_stamp): PRIVATE_MANIFEST := $(full_android_manifest)
+# Generate code into $(LOCAL_INTERMEDIATE_SOURCE_DIR) so that the generated .java files
+# will be automatically picked up by function compile-java.
+$(data_binding_stamp): PRIVATE_SRC_OUT := $(LOCAL_INTERMEDIATE_SOURCE_DIR)/data-binding
+$(data_binding_stamp): PRIVATE_XML_OUT := $(data_binding_intermediates)/xml
+$(data_binding_stamp): PRIVATE_RES_OUT := $(data_binding_res_out)
+$(data_binding_stamp): PRIVATE_RES_IN := $(data_binding_res_in)
+$(data_binding_stamp): PRIVATE_ANNO_SRC_DIR := $(data_binding_intermediates)/anno-src
+
+$(data_binding_stamp) : $(all_res_assets) $(full_android_manifest) \
+    $(DATA_BINDING_COMPILER)
+	@echo "Data-binding process: $@"
+	@rm -rf $(PRIVATE_INTERMEDIATES) $(PRIVATE_SRC_OUT) && \
+	  mkdir -p $(PRIVATE_INTERMEDIATES) $(PRIVATE_SRC_OUT) \
+	      $(PRIVATE_XML_OUT) $(PRIVATE_RES_OUT) $(PRIVATE_ANNO_SRC_DIR)
+	$(hide) java -classpath $(DATA_BINDING_COMPILER) android.databinding.tool.MakeCopy \
+	  $(PRIVATE_MANIFEST) $(PRIVATE_SRC_OUT) $(PRIVATE_XML_OUT) $(PRIVATE_RES_OUT) $(PRIVATE_RES_IN)
+	$(hide) touch $@
+
+# Make sure the data-binding process happens before javac and generation of R.java.
+$(R_file_stamp) $(full_classes_compiled_jar) : $(data_binding_stamp)
+# The dependency path when jack is enabled
+$(built_dex_intermediate) : $(data_binding_stamp)
+endif  # LOCAL_DATA_BINDING
+
 ifeq ($(need_compile_res),true)
 
 # Since we don't know where the real R.java file is going to end up,
@@ -498,6 +544,18 @@
 
 # Make sure to install the splits when you run "make <module_name>".
 $(my_register_name): $(installed_apk_splits)
+
+ifdef LOCAL_COMPATIBILITY_SUITE
+cts_testcase_file := $(foreach s,$(my_split_suffixes),$(COMPATIBILITY_TESTCASES_OUT_$(LOCAL_COMPATIBILITY_SUITE))/$(LOCAL_MODULE)_$(s).apk)
+$(cts_testcase_file) : $(COMPATIBILITY_TESTCASES_OUT_$(LOCAL_COMPATIBILITY_SUITE))/$(LOCAL_MODULE)_$(s).apk : $(built_module_path)/package_%.apk | $(ACP)
+	$(copy-file-to-new-target)
+
+COMPATIBILITY.$(LOCAL_COMPATIBILITY_SUITE).FILES := \
+  $(COMPATIBILITY.$(LOCAL_COMPATIBILITY_SUITE).FILES) \
+  $(cts_testcase_file)
+
+$(my_register_name) : $(cts_testcase_file)
+endif # LOCAL_COMPATIBILITY_SUITE
 endif # LOCAL_PACKAGE_SPLITS
 
 # Save information about this package
diff --git a/core/prebuilt_internal.mk b/core/prebuilt_internal.mk
index 0406353..aeca89e 100644
--- a/core/prebuilt_internal.mk
+++ b/core/prebuilt_internal.mk
@@ -313,7 +313,7 @@
 ifeq ($(LOCAL_MODULE_CLASS),JAVA_LIBRARIES)
 $(intermediates.COMMON)/classes.jack : PRIVATE_JILL_FLAGS:=$(LOCAL_JILL_FLAGS)
 $(intermediates.COMMON)/classes.jack : $(my_src_jar) $(LOCAL_MODULE_MAKEFILE) \
-        $(LOCAL_ADDITIONAL_DEPENDENCIES) $(JILL_JAR) $(JACK_JAR) $(JACK_LAUNCHER_JAR)
+        $(LOCAL_ADDITIONAL_DEPENDENCIES) $(JILL_JAR) $(JACK)
 	$(transform-jar-to-jack)
 
 endif # JAVA_LIBRARIES
diff --git a/core/product_config.mk b/core/product_config.mk
index 5240ae7..64ac03a 100644
--- a/core/product_config.mk
+++ b/core/product_config.mk
@@ -149,7 +149,7 @@
 unbundled_goals := $(strip $(filter APP-%,$(MAKECMDGOALS)))
 ifdef unbundled_goals
   ifneq ($(words $(unbundled_goals)),1)
-    $(error Only one APP-* goal may be specified; saw "$(unbundled_goals)"))
+    $(error Only one APP-* goal may be specified; saw "$(unbundled_goals)")
   endif
   TARGET_BUILD_APPS := $(strip $(subst -, ,$(patsubst APP-%,%,$(unbundled_goals))))
   ifneq ($(filter $(DEFAULT_GOAL),$(MAKECMDGOALS)),)
diff --git a/core/proguard.flags b/core/proguard.flags
index 0641627..6ed1f9b 100644
--- a/core/proguard.flags
+++ b/core/proguard.flags
@@ -10,9 +10,9 @@
 #-flattenpackagehierarchy
 
 # Keep classes and methods that have the guava @VisibleForTesting annotation
--keep @com.google.common.annotations.VisibleForTesting class *
+-keep @**.VisibleForTesting class *
 -keepclassmembers class * {
-@com.google.common.annotations.VisibleForTesting *;
+@**.VisibleForTesting *;
 }
 
 -include proguard_basic_keeps.flags
diff --git a/core/tasks/cts_v2.mk b/core/tasks/cts_v2.mk
new file mode 100644
index 0000000..76a4d02
--- /dev/null
+++ b/core/tasks/cts_v2.mk
@@ -0,0 +1,23 @@
+# Copyright (C) 2015 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.
+
+test_suite_name := cts_v2
+test_suite_tradefed := cts-tradefed_v2
+test_suite_readme := cts/tools/cts-tradefed/README
+
+include $(BUILD_SYSTEM)/tasks/tools/compatibility.mk
+
+.PHONY: cts_v2
+cts_v2: $(compatibility_zip)
+$(call dist-for-goals, cts_v2, $(compatibility_zip))
diff --git a/core/tasks/tools/compatibility.mk b/core/tasks/tools/compatibility.mk
new file mode 100644
index 0000000..cdb3991
--- /dev/null
+++ b/core/tasks/tools/compatibility.mk
@@ -0,0 +1,43 @@
+# Copyright (C) 2015 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.
+
+# Package up a compatibility test suite in a zip file.
+#
+# Input variables:
+#   test_suite_name: the name of this test suite eg. cts
+#   test_suite_tradefed: the name of this test suite's tradefed wrapper
+#   test_suite_readme: the path to a README file for this test suite
+# Output variables:
+#   compatibility_zip: the path to the output zip file.
+
+out_dir := $(HOST_OUT)/$(test_suite_name)/android-$(test_suite_name)
+test_artifacts := $(COMPATIBILITY.$(test_suite_name).FILES)
+test_tools := $(HOST_OUT_JAVA_LIBRARIES)/hosttestlib.jar \
+  $(HOST_OUT_JAVA_LIBRARIES)/tradefed-prebuilt.jar \
+  $(HOST_OUT_JAVA_LIBRARIES)/compatibility-host-util.jar \
+  $(HOST_OUT_JAVA_LIBRARIES)/compatibility-tradefed.jar \
+  $(HOST_OUT_JAVA_LIBRARIES)/$(test_suite_tradefed).jar \
+  $(HOST_OUT_EXECUTABLES)/$(test_suite_tradefed) \
+  $(test_suite_readme)
+
+compatibility_zip := $(out_dir).zip
+$(compatibility_zip): PRIVATE_NAME := android-$(test_suite_name)
+$(compatibility_zip): PRIVATE_OUT_DIR := $(out_dir)
+$(compatibility_zip): PRIVATE_TOOLS := $(test_tools)
+$(compatibility_zip): $(test_artifacts) $(test_tools) | $(ADB) $(ACP)
+# Make dir structure
+	$(hide) mkdir -p $(PRIVATE_OUT_DIR)/tools $(PRIVATE_OUT_DIR)/testcases
+# Copy tools
+	$(hide) $(ACP) -fp $(PRIVATE_TOOLS) $(PRIVATE_OUT_DIR)/tools
+	$(hide) cd $(dir $@) && zip -rq $(notdir $@) $(PRIVATE_NAME)
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index cae8168..35806c6 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -43,7 +43,7 @@
   # which is the version that we reveal to the end user.
   # Update this value when the platform version changes (rather
   # than overriding it somewhere else).  Can be an arbitrary string.
-  PLATFORM_VERSION := 6.0
+  PLATFORM_VERSION := NYC
 endif
 
 ifeq "" "$(PLATFORM_SDK_VERSION)"
@@ -61,12 +61,12 @@
 ifeq "" "$(PLATFORM_VERSION_CODENAME)"
   # This is the current development code-name, if the build is not a final
   # release build.  If this is a final release build, it is simply "REL".
-  PLATFORM_VERSION_CODENAME := REL
+  PLATFORM_VERSION_CODENAME := NYC
 
   # This is all of the development codenames that are active.  Should be either
   # the same as PLATFORM_VERSION_CODENAME or a comma-separated list of additional
   # codenames after PLATFORM_VERSION_CODENAME.
-  PLATFORM_VERSION_ALL_CODENAMES := $(PLATFORM_VERSION_CODENAME)
+  PLATFORM_VERSION_ALL_CODENAMES := $(PLATFORM_VERSION_CODENAME),MNC
 endif
 
 ifeq "REL" "$(PLATFORM_VERSION_CODENAME)"
diff --git a/target/board/generic/BoardConfig.mk b/target/board/generic/BoardConfig.mk
index 4e5504e..dddfc2e 100644
--- a/target/board/generic/BoardConfig.mk
+++ b/target/board/generic/BoardConfig.mk
@@ -76,8 +76,3 @@
 TARGET_USERIMAGES_SPARSE_EXT_DISABLED := true
 
 BOARD_SEPOLICY_DIRS += build/target/board/generic/sepolicy
-
-ifeq ($(TARGET_PRODUCT),sdk)
-  # include an expanded selection of fonts for the SDK.
-  EXTENDED_FONT_FOOTPRINT := true
-endif
diff --git a/target/product/base.mk b/target/product/base.mk
index 4c49e86..b52695f 100644
--- a/target/product/base.mk
+++ b/target/product/base.mk
@@ -39,6 +39,9 @@
     hid \
     ime \
     input \
+    input.evdev.default \
+    inputflinger \
+    inputflingerhost \
     javax.obex \
     libandroid \
     libandroid_runtime \
@@ -56,6 +59,7 @@
     libeffects \
     libinput \
     libinputflinger \
+    libinputflingerhost \
     libiprouteutil \
     libjnigraphics \
     libldnhncr \