diff --git a/CleanSpec.mk b/CleanSpec.mk
index 30ebdea..a424cb7 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -168,19 +168,38 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
 
-# So...  funny story.  Recall when I mentioned above the
-# "JB MR2" thing?  I didn't mean that.  In fact, while I was
-# writing JB MR, my head was thinking 4.2, and things got
-# cross-wired as they are wont to do, and we ended up with
-# JB MR2, which didn't actually exist.
-#
-# Well, didn't exist then.
-#
-# Now it does.  Say hi, JB MR2!
+# And on to KLP...
 $(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/*)
 
+# KLP now based off API 18.
+$(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 $(PRODUCT_OUT)/obj/APPS/*)
+
+# Clean up around the /system/app -> /system/priv-app migration
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
+
+# Clean up old location of generated Java files from aidl
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates/src)
+
+# Clean up ApplicationsProvider which is being removed.
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/APPS/ApplicationsProvider_intermediates)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/priv-app/ApplicationsProvider.apk)
+
+# Clean up Moto OMA DM client which isn't ready yet.
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/com.android.omadm.plugin.dev_intermediates)
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/com.android.omadm.plugin.diagmon_intermediates)
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/com.android.omadm.pluginhelper_intermediates)
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/com.android.omadm.plugin_intermediates)
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/com.android.omadm.service.api_intermediates)
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/APPS/DMService_intermediates)
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/APPS/SprintDM_intermediates)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/priv-app/DMService.apk)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/SprintDM.apk)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/etc/omadm)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************
diff --git a/buildspec.mk.default b/buildspec.mk.default
index 2f84016..d14208e 100644
--- a/buildspec.mk.default
+++ b/buildspec.mk.default
@@ -93,15 +93,15 @@
 #NO_FALLBACK_FONT:=true
 endif
 
-# To enable instrumentation in webcore based apps like gmail and
-# the browser, define WEBCORE_INSTRUMENTATION:=true
-ifndef WEBCORE_INSTRUMENTATION
-#WEBCORE_INSTRUMENTATION:=true
-endif
-
-# To disable SVG in webcore define ENABLE_SVG:=false
-ifndef ENABLE_SVG
-#ENABLE_SVG:=false
+# OVERRIDE_RUNTIMES allows you to locally override PRODUCT_RUNTIMES.
+#
+# To only build ART, use "runtime_libart_default"
+# To use Dalvik but also include ART, use "runtime_libdvm_default runtime_libart"
+# To use ART but also include Dalvik, use "runtime_libart_default runtime_libdvm"
+ifndef OVERRIDE_RUNTIMES
+#OVERRIDE_RUNTIMES:=runtime_libart_default
+#OVERRIDE_RUNTIMES:=runtime_libdvm_default runtime_libart
+#OVERRIDE_RUNTIMES:=runtime_libart_default runtime_libdvm
 endif
 
 # when the build system changes such that this file must be updated, this
diff --git a/core/Makefile b/core/Makefile
index bd63c11..280825b 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -96,10 +96,11 @@
 # Both of these tags will be removed and replaced with "release-keys"
 # when the target-files is signed in a post-build step.
 ifeq ($(DEFAULT_SYSTEM_DEV_CERTIFICATE),build/target/product/security/testkey)
-BUILD_VERSION_TAGS += test-keys
+BUILD_KEYS := test-keys
 else
-BUILD_VERSION_TAGS += dev-keys
+BUILD_KEYS := dev-keys
 endif
+BUILD_VERSION_TAGS += $(BUILD_KEYS)
 BUILD_VERSION_TAGS := $(subst $(space),$(comma),$(sort $(BUILD_VERSION_TAGS)))
 
 # A human-readable string that descibes this build in detail.
@@ -121,9 +122,9 @@
 
   # Dev. branches should have DISPLAY_BUILD_NUMBER set
   ifeq "true" "$(DISPLAY_BUILD_NUMBER)"
-    BUILD_DISPLAY_ID := $(BUILD_ID).$(BUILD_NUMBER)
+    BUILD_DISPLAY_ID := $(BUILD_ID).$(BUILD_NUMBER) $(BUILD_KEYS)
   else
-    BUILD_DISPLAY_ID := $(BUILD_ID)
+    BUILD_DISPLAY_ID := $(BUILD_ID) $(BUILD_KEYS)
   endif
 else
   # Non-user builds should show detailed build information
@@ -384,6 +385,10 @@
 	$(call pretty,"Target ram disk: $@")
 	$(hide) $(MKBOOTFS) $(TARGET_ROOT_OUT) | $(MINIGZIP) > $@
 
+.PHONY: ramdisk-nodeps
+ramdisk-nodeps: $(MKBOOTFS) | $(MINIGZIP)
+	@echo "make $@: ignoring dependencies"
+	$(hide) $(MKBOOTFS) $(TARGET_ROOT_OUT) | $(MINIGZIP) > $(INSTALLED_RAMDISK_TARGET)
 
 ifneq ($(strip $(TARGET_NO_KERNEL)),true)
 
@@ -421,12 +426,24 @@
 	$(call pretty,"Target boot image: $@")
 	$(hide) $(MKEXT2BOOTIMG) $(INTERNAL_BOOTIMAGE_ARGS) --output $@
 
+.PHONY: bootimage-nodeps
+bootimage-nodeps: $(MKEXT2IMG)
+	@echo "make $@: ignoring dependencies"
+	$(hide) $(MKEXT2BOOTIMG) $(INTERNAL_BOOTIMAGE_ARGS) --output $(INSTALLED_BOOTIMAGE_TARGET)
+
 else # TARGET_BOOTIMAGE_USE_EXT2 != true
 
 $(INSTALLED_BOOTIMAGE_TARGET): $(MKBOOTIMG) $(INTERNAL_BOOTIMAGE_FILES)
 	$(call pretty,"Target boot image: $@")
 	$(hide) $(MKBOOTIMG) $(INTERNAL_BOOTIMAGE_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $@
 	$(hide) $(call assert-max-image-size,$@,$(BOARD_BOOTIMAGE_PARTITION_SIZE),raw)
+
+.PHONY: bootimage-nodeps
+bootimage-nodeps: $(MKBOOTIMG)
+	@echo "make $@: ignoring dependencies"
+	$(hide) $(MKBOOTIMG) $(INTERNAL_BOOTIMAGE_ARGS) $(BOARD_MKBOOTIMG_ARGS) --output $(INSTALLED_BOOTIMAGE_TARGET)
+	$(hide) $(call assert-max-image-size,$(INSTALLED_BOOTIMAGE_TARGET),$(BOARD_BOOTIMAGE_PARTITION_SIZE),raw)
+
 endif # TARGET_BOOTIMAGE_USE_EXT2
 
 else	# TARGET_NO_KERNEL
@@ -490,6 +507,7 @@
 tools_notice_file_txt := $(HOST_OUT_INTERMEDIATES)/NOTICE.txt
 tools_notice_file_html := $(HOST_OUT_INTERMEDIATES)/NOTICE.html
 
+ifndef TARGET_BUILD_APPS
 kernel_notice_file := $(TARGET_OUT_NOTICE_FILES)/src/kernel.txt
 pdk_fusion_notice_files := $(filter $(TARGET_OUT_NOTICE_FILES)/%, $(ALL_PDK_FUSION_FILES))
 
@@ -522,6 +540,7 @@
 ifeq ($(ONE_SHOT_MAKEFILE),)
 ALL_DEFAULT_INSTALLED_MODULES += $(installed_notice_html_gz)
 endif
+endif  # TARGET_BUILD_APPS
 
 # The kernel isn't really a module, so to get its module file in there, we
 # make the target NOTICE files depend on this particular file too, which will
@@ -875,6 +894,11 @@
 #######
 ## platform.zip: system, plus other files to be used in PDK fusion build,
 ## in a zip file
+##
+## PDK_PLATFORM_ZIP_PRODUCT_BINARIES is used to store specified files to platform.zip.
+## The variable will be typically set from BoardConfig.mk.
+## Files under out dir will be rejected to prevent possible conflicts with other rules.
+PDK_PLATFORM_ZIP_PRODUCT_BINARIES := $(filter-out $(OUT_DIR)/%,$(PDK_PLATFORM_ZIP_PRODUCT_BINARIES))
 INSTALLED_PLATFORM_ZIP := $(PRODUCT_OUT)/platform.zip
 $(INSTALLED_PLATFORM_ZIP) : $(INTERNAL_SYSTEMIMAGE_FILES)
 	$(call pretty,"Platform zip package: $(INSTALLED_PLATFORM_ZIP)")
@@ -886,7 +910,9 @@
 ifeq (true,$(PLATFORM_ZIP_ADD_JAVA))
 	$(hide) cd $(OUT_DIR) && zip -qry $(patsubst $(OUT_DIR)/%,%,$@) $(PDK_PLATFORM_JAVA_ZIP_CONTENTS)
 endif
-
+ifneq ($(PDK_PLATFORM_ZIP_PRODUCT_BINARIES),)
+	$(hide) zip -qry $@ $(PDK_PLATFORM_ZIP_PRODUCT_BINARIES)
+endif
 
 .PHONY: platform
 platform: $(INSTALLED_PLATFORM_ZIP)
@@ -1606,16 +1632,18 @@
 $(INTERNAL_FINDBUGS_HTML_TARGET): $(INTERNAL_FINDBUGS_XML_TARGET)
 	@echo ConvertXmlToText: $@
 	$(hide) prebuilt/common/findbugs/bin/convertXmlToText -html:fancy.xsl \
-	$(INTERNAL_FINDBUGS_XML_TARGET)	> $@
+	$(INTERNAL_FINDBUGS_XML_TARGET) > $@
 
 # -----------------------------------------------------------------
 # Findbugs
 
 # -----------------------------------------------------------------
 # These are some additional build tasks that need to be run.
+ifneq ($(dont_bother),true)
 include $(sort $(wildcard $(BUILD_SYSTEM)/tasks/*.mk))
 -include $(sort $(wildcard vendor/*/build/tasks/*.mk))
 -include $(sort $(wildcard device/*/build/tasks/*.mk))
+endif
 
 # -----------------------------------------------------------------
 # Create SDK repository packages. Must be done after tasks/* since
diff --git a/core/base_rules.mk b/core/base_rules.mk
index 80873da..33bc6fd 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -98,23 +98,27 @@
 endif
 
 ifneq (true,$(LOCAL_UNINSTALLABLE_MODULE))
-ifdef LOCAL_IS_HOST_MODULE
-  partition_tag :=
-else
-ifeq (true,$(LOCAL_PROPRIETARY_MODULE))
-  partition_tag := _VENDOR
-else
-  # The definition of should-install-to-system will be different depending
-  # on which goal (e.g., sdk or just droid) is being built.
-  partition_tag := $(if $(call should-install-to-system,$(LOCAL_MODULE_TAGS)),,_DATA)
-endif
-endif
-
 LOCAL_MODULE_PATH := $(strip $(LOCAL_MODULE_PATH))
 ifeq ($(LOCAL_MODULE_PATH),)
-  LOCAL_MODULE_PATH := $($(my_prefix)OUT$(partition_tag)_$(LOCAL_MODULE_CLASS))
+  ifdef LOCAL_IS_HOST_MODULE
+    partition_tag :=
+  else
+  ifeq (true,$(LOCAL_PROPRIETARY_MODULE))
+    partition_tag := _VENDOR
+  else
+    # The definition of should-install-to-system will be different depending
+    # on which goal (e.g., sdk or just droid) is being built.
+    partition_tag := $(if $(call should-install-to-system,$(LOCAL_MODULE_TAGS)),,_DATA)
+  endif
+  endif
+  install_path_var := $(my_prefix)OUT$(partition_tag)_$(LOCAL_MODULE_CLASS)
+  ifeq (true,$(LOCAL_PRIVILEGED_MODULE))
+    install_path_var := $(install_path_var)_PRIVILEGED
+  endif
+
+  LOCAL_MODULE_PATH := $($(install_path_var))
   ifeq ($(strip $(LOCAL_MODULE_PATH)),)
-    $(error $(LOCAL_PATH): unhandled LOCAL_MODULE_CLASS "$(LOCAL_MODULE_CLASS)")
+    $(error $(LOCAL_PATH): unhandled install path "$(install_path_var)")
   endif
 endif
 endif # not LOCAL_UNINSTALLABLE_MODULE
@@ -349,8 +353,11 @@
 endif # java_resource_file_groups
 
 ## PRIVATE java vars ######################################
-
-ifneq ($(strip $(all_java_sources)$(all_res_assets))$(LOCAL_STATIC_JAVA_LIBRARIES),)
+# LOCAL_SOURCE_FILES_ALL_GENERATED is set only if the module does not have static source files,
+# but generated source files in its LOCAL_INTERMEDIATE_SOURCE_DIR.
+# You have to set up the dependency in some other way.
+need_compile_java := $(strip $(all_java_sources)$(all_res_assets))$(LOCAL_STATIC_JAVA_LIBRARIES)$(filter true,$(LOCAL_SOURCE_FILES_ALL_GENERATED))
+ifdef need_compile_java
 
 full_static_java_libs := \
     $(foreach lib,$(LOCAL_STATIC_JAVA_LIBRARIES), \
@@ -445,7 +452,7 @@
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JAR_MANIFEST :=
 endif
 
-endif  # PRIVATE java vars
+endif  # need_compile_java
 
 
 ###########################################################
@@ -543,20 +550,16 @@
 ## CHECK_BUILD goals
 ###########################################################
 
+ifdef java_alternative_checked_module
+  LOCAL_CHECKED_MODULE := $(java_alternative_checked_module)
+endif
+
 # If nobody has defined a more specific module for the
 # checked modules, use LOCAL_BUILT_MODULE.
 ifndef LOCAL_CHECKED_MODULE
   LOCAL_CHECKED_MODULE := $(LOCAL_BUILT_MODULE)
 endif
 
-need_compile_java :=
-ifdef java_alternative_checked_module
-ifneq (,$(strip $(all_java_sources)$(full_static_java_libs))$(filter true,$(LOCAL_SOURCE_FILES_ALL_GENERATED)))
-  need_compile_java := true
-  LOCAL_CHECKED_MODULE := $(java_alternative_checked_module)
-endif
-endif
-
 # If they request that this module not be checked, then don't.
 # PLEASE DON'T SET THIS.  ANY PLACES THAT SET THIS WITHOUT
 # GOOD REASON WILL HAVE IT REMOVED.
diff --git a/core/binary.mk b/core/binary.mk
index e695567..554b8c7 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -90,6 +90,15 @@
 endif
 endif
 
+# Add static HAL libraries
+ifdef LOCAL_HAL_STATIC_LIBRARIES
+$(foreach lib, $(LOCAL_HAL_STATIC_LIBRARIES), \
+    $(eval b_lib := $(filter $(lib).%,$(BOARD_HAL_STATIC_LIBRARIES)))\
+    $(if $(b_lib), $(eval LOCAL_STATIC_LIBRARIES += $(b_lib)),\
+                   $(eval LOCAL_STATIC_LIBRARIES += $(lib).default)))
+b_lib :=
+endif
+
 ifeq ($(strip $(LOCAL_ADDRESS_SANITIZER)),true)
   LOCAL_CLANG := true
   LOCAL_CFLAGS += $(ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS)
@@ -98,6 +107,10 @@
   LOCAL_STATIC_LIBRARIES += $(ADDRESS_SANITIZER_CONFIG_EXTRA_STATIC_LIBRARIES)
 endif
 
+ifeq ($(strip $(WITHOUT_CLANG)),true)
+  LOCAL_CLANG :=
+endif
+
 # Add in libcompiler_rt for all regular device builds
 ifeq (,$(LOCAL_SDK_VERSION)$(LOCAL_IS_HOST_MODULE)$(WITHOUT_LIBCOMPILER_RT))
   LOCAL_STATIC_LIBRARIES += $(COMPILER_RT_CONFIG_EXTRA_STATIC_LIBRARIES)
@@ -589,7 +602,7 @@
 
 # some rules depend on asm_objects being first.  If your code depends on
 # being first, it's reasonable to require it to be assembly
-all_objects := \
+normal_objects := \
     $(asm_objects) \
     $(cpp_objects) \
     $(gen_cpp_objects) \
@@ -600,8 +613,9 @@
     $(yacc_objects) \
     $(lex_objects) \
     $(proto_generated_objects) \
-    $(addprefix $(TOPDIR)$(LOCAL_PATH)/,$(LOCAL_PREBUILT_OBJ_FILES)) \
-    $(gen_o_objects)
+    $(addprefix $(TOPDIR)$(LOCAL_PATH)/,$(LOCAL_PREBUILT_OBJ_FILES))
+
+all_objects := $(normal_objects) $(gen_o_objects)
 
 LOCAL_C_INCLUDES += $(TOPDIR)$(LOCAL_PATH) $(intermediates)
 
@@ -609,9 +623,12 @@
   LOCAL_C_INCLUDES += $(JNI_H_INCLUDE)
 endif
 
-# .o files need to be filtered out of LOCAL_GENERATED_SOURCES
-# to avoid creating circular dependencies.
-$(all_objects) : | $(filter-out %.o,$(LOCAL_GENERATED_SOURCES)) $(import_includes)
+# all_objects includes gen_o_objects which were part of LOCAL_GENERATED_SOURCES;
+# use normal_objects here to avoid creating circular dependencies. This assumes
+# that custom build rules which generate .o files don't consume other generated
+# sources as input (or if they do they take care of that dependency themselves).
+$(normal_objects) : | $(LOCAL_GENERATED_SOURCES)
+$(all_objects) : | $(import_includes)
 ALL_C_CPP_ETC_OBJECTS += $(all_objects)
 
 ###########################################################
diff --git a/core/build_id.mk b/core/build_id.mk
index e954794..a3b9db6 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -13,20 +13,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-
-#
-# Defines branch-specific values.
-#
-
 # BUILD_ID is usually used to specify the branch name
 # (like "MAIN") or a branch name and a release candidate
-# (like "TC1-RC5").  It must be a single word, and is
+# (like "CRB01").  It must be a single word, and is
 # capitalized by convention.
-#
-BUILD_ID := OPENMASTER
 
-# DISPLAY_BUILD_NUMBER should only be set for development branches,
-# If set, the BUILD_NUMBER (cl) is appended to the BUILD_ID for
-# a more descriptive BUILD_ID_DISPLAY, otherwise BUILD_ID_DISPLAY
-# is the same as BUILD_ID
+BUILD_ID := KLP
+
 DISPLAY_BUILD_NUMBER := true
diff --git a/core/cleanbuild.mk b/core/cleanbuild.mk
index 1d17f77..fa67332 100644
--- a/core/cleanbuild.mk
+++ b/core/cleanbuild.mk
@@ -14,7 +14,7 @@
 #
 
 # Don't bother with the cleanspecs if you are running mm/mmm
-ifndef ONE_SHOT_MAKEFILE
+ifeq ($(ONE_SHOT_MAKEFILE)$(dont_bother),)
 
 INTERNAL_CLEAN_STEPS :=
 
@@ -100,7 +100,7 @@
 INTERNAL_CLEAN_STEPS :=
 INTERNAL_CLEAN_BUILD_VERSION :=
 
-endif  # ifndef ONE_SHOT_MAKEFILE
+endif  # if not ONE_SHOT_MAKEFILE dont_bother
 
 # Since products and build variants (unfortunately) share the same
 # PRODUCT_OUT staging directory, things can get out of sync if different
@@ -182,6 +182,7 @@
 	$(PRODUCT_OUT)/*.txt \
 	$(PRODUCT_OUT)/*.xlb \
 	$(PRODUCT_OUT)/*.zip \
+	$(PRODUCT_OUT)/kernel \
 	$(PRODUCT_OUT)/data \
 	$(PRODUCT_OUT)/obj/APPS \
 	$(PRODUCT_OUT)/obj/NOTICE_FILES \
diff --git a/core/cleanspec.mk b/core/cleanspec.mk
index d4a8eed..500ce54 100644
--- a/core/cleanspec.mk
+++ b/core/cleanspec.mk
@@ -64,6 +64,6 @@
 # ************************************************
 
 subdir_cleanspecs := \
-    $(shell build/tools/findleaves.py --prune=out --prune=.repo --prune=.git . CleanSpec.mk)
+    $(shell build/tools/findleaves.py --prune=$(OUT_DIR) --prune=.repo --prune=.git . CleanSpec.mk)
 include $(subdir_cleanspecs)
 subdir_cleanspecs :=
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index ad05fdf..c30f0a8 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -123,12 +123,14 @@
 LOCAL_PROTO_JAVA_OUTPUT_PARAMS:=
 LOCAL_NO_CRT:=
 LOCAL_PROPRIETARY_MODULE:=
+LOCAL_PRIVILEGED_MODULE:=
 LOCAL_MODULE_OWNER:=
 LOCAL_CTS_TEST_PACKAGE:=
 LOCAL_CTS_TEST_RUNNER:=
 LOCAL_CLANG:=
 LOCAL_ADDRESS_SANITIZER:=
 LOCAL_JAR_EXCLUDE_FILES:=
+LOCAL_JAR_PACKAGES:=
 LOCAL_LINT_FLAGS:=
 LOCAL_SOURCE_FILES_ALL_GENERATED:= # '',true
 # Don't delete the META_INF dir when merging static Java libraries.
@@ -137,6 +139,7 @@
 LOCAL_PREBUILT_MODULE_FILE:=
 LOCAL_POST_INSTALL_CMD:=
 LOCAL_DIST_BUNDLED_BINARIES:=
+LOCAL_HAL_STATIC_LIBRARIES:=
 
 # Trim MAKEFILE_LIST so that $(call my-dir) doesn't need to
 # iterate over thousands of entries every time.
diff --git a/core/combo/arch/arm/armv7-a-neon.mk b/core/combo/arch/arm/armv7-a-neon.mk
index f2c1ca7..057ce93 100644
--- a/core/combo/arch/arm/armv7-a-neon.mk
+++ b/core/combo/arch/arm/armv7-a-neon.mk
@@ -9,12 +9,16 @@
 ifeq ($(strip $(TARGET_CPU_VARIANT)), cortex-a15)
 	arch_variant_cflags := -mcpu=cortex-a15
 else
+ifeq ($(strip $(TARGET_CPU_VARIANT)),cortex-a8)
+	arch_variant_cflags := -mcpu=cortex-a8
+else
 ifeq ($(strip $(TARGET_CPU_VARIANT)),cortex-a7)
 	arch_variant_cflags := -mcpu=cortex-a7
 else
 	arch_variant_cflags := -march=armv7-a
 endif
 endif
+endif
 
 arch_variant_cflags += \
     -mfloat-abi=softfp \
diff --git a/core/config.mk b/core/config.mk
index 8872ea9..96993c0 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -123,7 +123,7 @@
 
 # ---------------------------------------------------------------
 # Try to include buildspec.mk, which will try to set stuff up.
-# If this file doesn't exist, the environemnt variables will
+# If this file doesn't exist, the environment variables will
 # be used, and if that doesn't work, then the default is an
 # arm build
 ifndef ANDROID_BUILDSPEC
@@ -159,6 +159,26 @@
 TARGET_DEVICE_DIR := $(patsubst %/,%,$(dir $(board_config_mk)))
 board_config_mk :=
 
+# Perhaps we should move this block to build/core/Makefile,
+# once we don't have TARGET_NO_KERNEL reference in AndroidBoard.mk/Android.mk.
+ifneq ($(strip $(TARGET_NO_BOOTLOADER)),true)
+  INSTALLED_BOOTLOADER_MODULE := $(PRODUCT_OUT)/bootloader
+  ifeq ($(strip $(TARGET_BOOTLOADER_IS_2ND)),true)
+    INSTALLED_2NDBOOTLOADER_TARGET := $(PRODUCT_OUT)/2ndbootloader
+  else
+    INSTALLED_2NDBOOTLOADER_TARGET :=
+  endif
+else
+  INSTALLED_BOOTLOADER_MODULE :=
+  INSTALLED_2NDBOOTLOADER_TARGET :=
+endif # TARGET_NO_BOOTLOADER
+ifneq ($(strip $(TARGET_NO_KERNEL)),true)
+  INSTALLED_KERNEL_TARGET := $(PRODUCT_OUT)/kernel
+else
+  INSTALLED_KERNEL_TARGET :=
+endif
+
+
 # The build system exposes several variables for where to find the kernel
 # headers:
 #   TARGET_DEVICE_KERNEL_HEADERS is automatically created for the current
@@ -408,6 +428,11 @@
 TARGET_GLOBAL_CFLAGS += $(TARGET_RELEASE_CFLAGS)
 TARGET_GLOBAL_CPPFLAGS += $(TARGET_RELEASE_CPPFLAGS)
 
+# allow overriding default Java libraries on a per-target basis
+ifeq ($(TARGET_DEFAULT_JAVA_LIBRARIES),)
+  TARGET_DEFAULT_JAVA_LIBRARIES := core core-junit ext framework framework2
+endif
+
 # define llvm tools and global flags
 include $(BUILD_SYSTEM)/llvm_config.mk
 
diff --git a/core/definitions.mk b/core/definitions.mk
index e94f7ac..290bb2f 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -147,7 +147,7 @@
 # $(1): directory to search under
 # Ignores $(1)/Android.mk
 define first-makefiles-under
-$(shell build/tools/findleaves.py --prune=out --prune=.repo --prune=.git \
+$(shell build/tools/findleaves.py --prune=$(OUT_DIR) --prune=.repo --prune=.git \
         --mindepth=2 $(1) Android.mk)
 endef
 
@@ -1511,6 +1511,10 @@
     -name $(word 1, $(PRIVATE_JAR_EXCLUDE_FILES)) \
     $(addprefix -o -name , $(wordlist 2, 999, $(PRIVATE_JAR_EXCLUDE_FILES))) \
     | xargs rm -rf)
+$(if $(PRIVATE_JAR_PACKAGES), $(hide) find $(PRIVATE_CLASS_INTERMEDIATES_DIR) -mindepth 1 -type d \
+    $(foreach pkg, $(PRIVATE_JAR_PACKAGES), \
+        -not -path $(PRIVATE_CLASS_INTERMEDIATES_DIR)/$(subst .,/,$(pkg))) \
+    | xargs rm -rf)
 $(hide) jar $(if $(strip $(PRIVATE_JAR_MANIFEST)),-cfm,-cf) \
     $@ $(PRIVATE_JAR_MANIFEST) -C $(PRIVATE_CLASS_INTERMEDIATES_DIR) .
 endef
@@ -1558,6 +1562,10 @@
     -name $(word 1, $(PRIVATE_JAR_EXCLUDE_FILES)) \
     $(addprefix -o -name , $(wordlist 2, 999, $(PRIVATE_JAR_EXCLUDE_FILES))) \
     | xargs rm -rf)
+$(if $(PRIVATE_JAR_PACKAGES), $(hide) find $(PRIVATE_CLASS_INTERMEDIATES_DIR) -mindepth 1 -type d \
+    $(foreach pkg, $(PRIVATE_JAR_PACKAGES), \
+        -not -path $(PRIVATE_CLASS_INTERMEDIATES_DIR)/$(subst .,/,$(pkg))) \
+    | xargs rm -rf)
 $(hide) jar $(if $(strip $(PRIVATE_JAR_MANIFEST)),-cfm,-cf) \
     $@ $(PRIVATE_JAR_MANIFEST) -C $(PRIVATE_CLASS_INTERMEDIATES_DIR) .
 $(hide) mv $(PRIVATE_CLASS_INTERMEDIATES_DIR)/newstamp $(PRIVATE_CLASS_INTERMEDIATES_DIR)/stamp
diff --git a/core/dex_preopt.mk b/core/dex_preopt.mk
index 0c9904a..77b239b 100644
--- a/core/dex_preopt.mk
+++ b/core/dex_preopt.mk
@@ -3,9 +3,9 @@
 #
 ####################################
 
-# TODO: replace it with device's BOOTCLASSPATH
-DEXPREOPT_BOOT_JARS := core:conscrypt:okhttp:core-junit:bouncycastle:ext:framework:telephony-common:voip-common:mms-common:android.policy:services:apache-xml
+DEXPREOPT_BOOT_JARS := $(PRODUCT_BOOT_JARS)
 DEXPREOPT_BOOT_JARS_MODULES := $(subst :, ,$(DEXPREOPT_BOOT_JARS))
+PRODUCT_BOOTCLASSPATH := $(subst $(space),:,$(foreach m,$(DEXPREOPT_BOOT_JARS_MODULES),/system/framework/$(m).jar))
 
 DEXPREOPT_BUILD_DIR := $(OUT_DIR)
 DEXPREOPT_PRODUCT_DIR := $(patsubst $(DEXPREOPT_BUILD_DIR)/%,%,$(PRODUCT_OUT))/dex_bootjars
diff --git a/core/droiddoc.mk b/core/droiddoc.mk
index 8a5c556..0d3094d 100644
--- a/core/droiddoc.mk
+++ b/core/droiddoc.mk
@@ -69,7 +69,7 @@
     LOCAL_JAVA_LIBRARIES := sdk_v$(LOCAL_SDK_VERSION) $(LOCAL_JAVA_LIBRARIES)
   endif
 else
-  LOCAL_JAVA_LIBRARIES := core ext framework $(LOCAL_JAVA_LIBRARIES)
+  LOCAL_JAVA_LIBRARIES := core ext framework framework2 $(LOCAL_JAVA_LIBRARIES)
 endif  # LOCAL_SDK_VERSION
 LOCAL_JAVA_LIBRARIES := $(sort $(LOCAL_JAVA_LIBRARIES))
 
diff --git a/core/envsetup.mk b/core/envsetup.mk
index f861586..8ac437e 100644
--- a/core/envsetup.mk
+++ b/core/envsetup.mk
@@ -196,6 +196,7 @@
 TARGET_OUT_SHARED_LIBRARIES:= $(TARGET_OUT)/lib
 TARGET_OUT_JAVA_LIBRARIES:= $(TARGET_OUT)/framework
 TARGET_OUT_APPS:= $(TARGET_OUT)/app
+TARGET_OUT_APPS_PRIVILEGED := $(TARGET_OUT)/priv-app
 TARGET_OUT_KEYLAYOUT := $(TARGET_OUT)/usr/keylayout
 TARGET_OUT_KEYCHARS := $(TARGET_OUT)/usr/keychars
 TARGET_OUT_ETC := $(TARGET_OUT)/etc
@@ -211,6 +212,7 @@
 TARGET_OUT_DATA_KEYCHARS := $(TARGET_OUT_KEYCHARS)
 TARGET_OUT_DATA_ETC := $(TARGET_OUT_ETC)
 TARGET_OUT_DATA_NATIVE_TESTS := $(TARGET_OUT_DATA)/nativetest
+TARGET_OUT_DATA_FAKE := $(TARGET_OUT_DATA)/fake_packages
 
 TARGET_OUT_CACHE := $(PRODUCT_OUT)/cache
 
diff --git a/core/help.mk b/core/help.mk
index 9e37f82..6e0b2c0 100644
--- a/core/help.mk
+++ b/core/help.mk
@@ -14,13 +14,6 @@
 # limitations under the License.
 #
 
-ifeq ($(MAKECMDGOALS),help)
-dont_bother := true
-endif
-ifeq ($(MAKECMDGOALS),out)
-dont_bother := true
-endif
-
 .PHONY: help
 help:
 	@echo
@@ -39,4 +32,3 @@
 .PHONY: out
 out:
 	@echo "I'm sure you're nice and all, but no thanks."
-
diff --git a/core/host_java_library.mk b/core/host_java_library.mk
index 02274e4..ca27f28 100644
--- a/core/host_java_library.mk
+++ b/core/host_java_library.mk
@@ -23,6 +23,9 @@
 LOCAL_IS_HOST_MODULE := true
 LOCAL_BUILT_MODULE_STEM := javalib.jar
 
+# base_rules.mk looks at this
+all_res_assets :=
+
 ifeq ($(LOCAL_BUILD_HOST_DEX),true)
 ifneq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
   LOCAL_JAVA_LIBRARIES := $(sort core-hostdex $(LOCAL_JAVA_LIBRARIES))
@@ -76,7 +79,7 @@
 # Run jarjar if necessary, otherwise just copy the file.
 ifneq ($(strip $(LOCAL_JARJAR_RULES)),)
 $(full_classes_jarjar_jar): PRIVATE_JARJAR_RULES := $(LOCAL_JARJAR_RULES)
-$(full_classes_jarjar_jar): $(full_classes_compiled_jar) | $(JARJAR)
+$(full_classes_jarjar_jar): $(full_classes_compiled_jar) $(LOCAL_JARJAR_RULES) | $(JARJAR)
 	@echo JarJar: $@
 	$(hide) java -jar $(JARJAR) process $(PRIVATE_JARJAR_RULES) $< $@
 else
diff --git a/core/java.mk b/core/java.mk
index a2d41ad..76f0c6c 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -12,16 +12,6 @@
 endif # !PDK_JAVA
 endif #PDK
 
-
-# Make sure there's something to build.
-# It's possible to build a package that doesn't contain any classes.
-# LOCAL_SOURCE_FILES_ALL_GENERATED is set only if the module does not have static source files,
-# but generated source files in its LOCAL_INTERMEDIATE_SOURCE_DIR.
-# You have to set up the dependency in some other way.
-ifeq (,$(strip $(LOCAL_SRC_FILES)$(all_res_assets)$(LOCAL_STATIC_JAVA_LIBRARIES))$(filter true,$(LOCAL_SOURCE_FILES_ALL_GENERATED)))
-$(warning $(LOCAL_PATH): Target java module does not define any source or resource files)
-endif
-
 LOCAL_NO_STANDARD_LIBRARIES:=$(strip $(LOCAL_NO_STANDARD_LIBRARIES))
 LOCAL_SDK_VERSION:=$(strip $(LOCAL_SDK_VERSION))
 
@@ -43,7 +33,7 @@
   endif
 else
   ifneq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
-    LOCAL_JAVA_LIBRARIES := core core-junit ext framework $(LOCAL_JAVA_LIBRARIES)
+    LOCAL_JAVA_LIBRARIES := $(TARGET_DEFAULT_JAVA_LIBRARIES) $(LOCAL_JAVA_LIBRARIES)
   endif
 endif
 
@@ -117,9 +107,14 @@
 built_dex_intermediate := $(intermediates.COMMON)/$(built_dex_intermediate_leaf)
 full_classes_stubs_jar := $(intermediates.COMMON)/stubs.jar
 
-# full_classes_jar and built_dex are cleared below, and re-set if we really need them.
+ifeq ($(LOCAL_MODULE_CLASS)$(LOCAL_SRC_FILES)$(LOCAL_STATIC_JAVA_LIBRARIES)$(LOCAL_SOURCE_FILES_ALL_GENERATED),APPS)
+# If this is an apk without any Java code (e.g. framework-res), we should skip compiling Java.
+full_classes_jar :=
+built_dex :=
+else
 full_classes_jar := $(intermediates.COMMON)/classes.jar
 built_dex := $(intermediates.COMMON)/$(built_dex_leaf)
+endif
 
 LOCAL_INTERMEDIATE_TARGETS += \
     $(full_classes_compiled_jar) \
@@ -248,7 +243,11 @@
 # to fail except for bugs in their respective tools.  If you would
 # like to run these rules, add the "all" modifier goal to the make
 # command line.
+ifdef full_classes_jar
 java_alternative_checked_module := $(full_classes_compiled_jar)
+else
+java_alternative_checked_module :=
+endif
 
 # TODO: It looks like the only thing we need from base_rules is
 # all_java_sources.  See if we can get that by adding a
@@ -261,6 +260,13 @@
 
 java_alternative_checked_module :=
 
+# Make sure there's something to build.
+ifdef full_classes_jar
+ifndef need_compile_java
+$(error $(LOCAL_PATH): Target java module does not define any source or resource files)
+endif
+endif
+
 # Install the RS compatibility libraries to /system/lib/ if necessary
 ifdef rs_compatibility_jni_libs
 installed_rs_compatibility_jni_libs := $(addprefix $(TARGET_OUT_SHARED_LIBRARIES)/,\
@@ -296,11 +302,7 @@
 # properly.
 $(cleantarget): PRIVATE_CLEAN_FILES += $(intermediates.COMMON)
 
-# If the module includes java code (i.e., it's not framework-res), compile it.
-full_classes_jar :=
-built_dex :=
-# need_compile_java is set in base_rules.mk
-ifeq ($(need_compile_java),true)
+ifdef full_classes_jar
 
 # If LOCAL_BUILT_MODULE_STEM wasn't overridden by our caller,
 # full_classes_jar will be the same module as LOCAL_BUILT_MODULE.
@@ -336,6 +338,7 @@
 # via deps on the target that generates the sources.
 $(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(LOCAL_JAVACFLAGS)
 $(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_FILES := $(LOCAL_JAR_EXCLUDE_FILES)
+$(full_classes_compiled_jar): PRIVATE_JAR_PACKAGES := $(LOCAL_JAR_PACKAGES)
 $(full_classes_compiled_jar): PRIVATE_DONT_DELETE_JAR_META_INF := $(LOCAL_DONT_DELETE_JAR_META_INF)
 $(full_classes_compiled_jar): $(java_sources) $(java_resource_sources) $(full_java_lib_deps) \
         $(jar_manifest_file) $(layers_file) $(RenderScript_file_stamp) \
@@ -347,7 +350,7 @@
 # Run jarjar if necessary, otherwise just copy the file.
 ifneq ($(strip $(LOCAL_JARJAR_RULES)),)
 $(full_classes_jarjar_jar): PRIVATE_JARJAR_RULES := $(LOCAL_JARJAR_RULES)
-$(full_classes_jarjar_jar): $(full_classes_compiled_jar) | $(JARJAR)
+$(full_classes_jarjar_jar): $(full_classes_compiled_jar) $(LOCAL_JARJAR_RULES) | $(JARJAR)
 	@echo JarJar: $@
 	$(hide) java -jar $(JARJAR) process $(PRIVATE_JARJAR_RULES) $< $@
 else
@@ -504,4 +507,4 @@
 
 $(LOCAL_MODULE)-findbugs : $(findbugs_html)
 
-endif
+endif  # full_classes_jar is defined
diff --git a/core/java_library.mk b/core/java_library.mk
index 67c1bcb..9dbd79b 100644
--- a/core/java_library.mk
+++ b/core/java_library.mk
@@ -18,10 +18,9 @@
 ifneq (,$(LOCAL_RESOURCE_DIR))
 $(error $(LOCAL_PATH): Target java libraries may not set LOCAL_RESOURCE_DIR)
 endif
-endif
-
-#xxx base_rules.mk looks at this
+# base_rules.mk looks at this
 all_res_assets :=
+endif
 
 LOCAL_BUILT_MODULE_STEM := javalib.jar
 
diff --git a/core/legacy_prebuilts.mk b/core/legacy_prebuilts.mk
index f767644..c477900 100644
--- a/core/legacy_prebuilts.mk
+++ b/core/legacy_prebuilts.mk
@@ -34,8 +34,6 @@
 	cdt.bin \
 	chat-ril \
 	cpcap-key.kl \
-	data \
-	dev \
 	egl.cfg \
 	firmware_error.565 \
 	firmware_install.565 \
@@ -45,13 +43,11 @@
 	gps.stingray.so \
 	gralloc.omap3.so \
 	gralloc.tegra.so \
-	hosts \
 	hwcomposer.tegra.so \
 	ime \
 	init.goldfish.rc \
 	init.goldfish.sh \
 	init.olympus.rc \
-	init.rc \
 	init.sholes.rc \
 	init.stingray.rc \
 	input \
@@ -76,23 +72,18 @@
 	pm \
 	pppd-ril \
 	pppd-ril.options \
-	proc \
 	qwerty.kl \
 	radio.img \
 	rdl.bin \
 	RFFspeed_501.bmd \
 	RFFstd_501.bmd \
 	savebpver \
-	sbin \
 	sholes-keypad.kl \
 	suplcerts.bks \
 	svc \
-	sys \
-	system \
 	tcmd \
 	ueventd.goldfish.rc \
 	ueventd.olympus.rc \
-	ueventd.rc \
 	ueventd.stingray.rc \
 	vold.fstab \
 	wl1271.bin
diff --git a/core/main.mk b/core/main.mk
index 3af4306..ba67189 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -71,6 +71,22 @@
 .PHONY: FORCE
 FORCE:
 
+# These goals don't need to collect and include Android.mks/CleanSpec.mks
+# in the source tree.
+dont_bother_goals := clean clobber dataclean installclean \
+    help out \
+    snod systemimage-nodeps \
+    stnod systemtarball-nodeps \
+    userdataimage-nodeps userdatatarball-nodeps \
+    cacheimage-nodeps \
+    vendorimage-nodeps \
+    ramdisk-nodeps \
+    bootimage-nodeps
+
+ifneq ($(filter $(dont_bother_goals), $(MAKECMDGOALS)),)
+dont_bother := true
+endif
+
 # Targets that provide quick help on the build system.
 include $(BUILD_SYSTEM)/help.mk
 
@@ -84,21 +100,6 @@
 # be generated correctly
 include $(BUILD_SYSTEM)/cleanbuild.mk
 
-# These targets are going to delete stuff, don't bother including
-# the whole directory tree if that's all we're going to do
-ifeq ($(MAKECMDGOALS),clean)
-dont_bother := true
-endif
-ifeq ($(MAKECMDGOALS),clobber)
-dont_bother := true
-endif
-ifeq ($(MAKECMDGOALS),dataclean)
-dont_bother := true
-endif
-ifeq ($(MAKECMDGOALS),installclean)
-dont_bother := true
-endif
-
 # Include the google-specific config
 -include vendor/google/build/config.mk
 
@@ -183,6 +184,7 @@
 $(error stop)
 endif
 
+ifndef BUILD_EMULATOR
 ifeq (darwin,$(HOST_OS))
 GCC_REALPATH = $(realpath $(shell which $(HOST_CC)))
 ifneq ($(findstring llvm-gcc,$(GCC_REALPATH)),)
@@ -199,10 +201,11 @@
 else   # HOST_OS is not darwin
   BUILD_EMULATOR := true
 endif  # HOST_OS is darwin
+endif
 
 $(shell echo 'VERSIONS_CHECKED := $(VERSION_CHECK_SEQUENCE_NUMBER)' \
         > $(OUT_DIR)/versions_checked.mk)
-$(shell echo 'BUILD_EMULATOR := $(BUILD_EMULATOR)' \
+$(shell echo 'BUILD_EMULATOR ?= $(BUILD_EMULATOR)' \
         >> $(OUT_DIR)/versions_checked.mk)
 endif
 
@@ -357,7 +360,7 @@
 sdk_repo_goal := $(strip $(filter sdk_repo,$(MAKECMDGOALS)))
 MAKECMDGOALS := $(strip $(filter-out sdk_repo,$(MAKECMDGOALS)))
 
-ifneq ($(words $(filter-out $(INTERNAL_MODIFIER_TARGETS),$(MAKECMDGOALS))),1)
+ifneq ($(words $(filter-out $(INTERNAL_MODIFIER_TARGETS) checkbuild,$(MAKECMDGOALS))),1)
 $(error The 'sdk' target may not be specified with any other targets)
 endif
 
@@ -468,6 +471,12 @@
 NOTICE-HOST-%: ;
 NOTICE-TARGET-%: ;
 
+# A helper goal printing out install paths
+.PHONY: GET-INSTALL-PATH
+GET-INSTALL-PATH:
+	@$(foreach m, $(ALL_MODULES), $(if $(ALL_MODULES.$(m).INSTALLED), \
+		echo 'INSTALL-PATH: $(m) $(ALL_MODULES.$(m).INSTALLED)';))
+
 else # ONE_SHOT_MAKEFILE
 
 #
@@ -477,9 +486,9 @@
 # Can't use first-makefiles-under here because
 # --mindepth=2 makes the prunes not work.
 subdir_makefiles := \
-	$(shell build/tools/findleaves.py --prune=out --prune=.repo --prune=.git $(subdirs) Android.mk)
+	$(shell build/tools/findleaves.py --prune=$(OUT_DIR) --prune=.repo --prune=.git $(subdirs) Android.mk)
 
-include $(subdir_makefiles)
+$(foreach mk, $(subdir_makefiles), $(info including $(mk) ...)$(eval include $(mk)))
 
 endif # ONE_SHOT_MAKEFILE
 
@@ -673,6 +682,8 @@
       $(warning $(ALL_MODULES.$(m).MAKEFILE): Module '$(m)' in PRODUCT_PACKAGES_TESTS has nothing to install!)))
 endif
 
+endif # dont_bother
+
 # build/core/Makefile contains extra stuff that we don't want to pollute this
 # top-level makefile with.  It expects that ALL_DEFAULT_INSTALLED_MODULES
 # contains everything that's built during the current make, but it also further
@@ -682,8 +693,6 @@
 modules_to_install := $(sort $(ALL_DEFAULT_INSTALLED_MODULES))
 ALL_DEFAULT_INSTALLED_MODULES :=
 
-endif # dont_bother
-
 
 # These are additional goals that we build, in order to make sure that there
 # is as little code as possible in the tree that doesn't build.
@@ -810,7 +819,7 @@
   # For uninstallable modules such as static Java library, we have to dist the built file,
   # as <module_name>.<suffix>
   apps_only_dist_built_files := $(foreach m,$(unbundled_build_modules),$(if $(ALL_MODULES.$(m).INSTALLED),,\
-      $(ALL_MODULES.$(m).BUILT):$(m)$(suffix $(ALL_MODULES.$(m).BUILT))))
+      $(if $(ALL_MODULES.$(m).BUILT),$(ALL_MODULES.$(m).BUILT):$(m)$(suffix $(ALL_MODULES.$(m).BUILT)))))
   $(call dist-for-goals,apps_only, $(apps_only_dist_built_files))
 
   ifeq ($(EMMA_INSTRUMENT),true)
@@ -827,6 +836,15 @@
 
 droid: apps_only
 
+# Combine the NOTICE files for a apps_only build
+$(eval $(call combine-notice-files, \
+    $(target_notice_file_txt), \
+    $(target_notice_file_html), \
+    "Notices for files for apps:", \
+    $(TARGET_OUT_NOTICE_FILES), \
+    $(apps_only_installed_files)))
+
+
 else # TARGET_BUILD_APPS
   $(call dist-for-goals, droidcore, \
     $(INTERNAL_UPDATE_PACKAGE_TARGET) \
diff --git a/core/multi_prebuilt.mk b/core/multi_prebuilt.mk
index 50a4a38..be60e2f 100644
--- a/core/multi_prebuilt.mk
+++ b/core/multi_prebuilt.mk
@@ -14,6 +14,11 @@
 # limitations under the License.
 #
 
+ifneq ($(LOCAL_MODULE)$(LOCAL_MODULE_CLASS),)
+$(error $(LOCAL_PATH): LOCAL_MODULE or LOCAL_MODULE_CLASS not needed by \
+  BUILD_MULTI_PREBUILT, use BUILD_PREBUILT instead!)
+endif
+
 # Save these before they get cleared by CLEAR_VARS.
 prebuilt_static_libs := $(filter %.a,$(LOCAL_PREBUILT_LIBS))
 prebuilt_shared_libs := $(filter-out %.a,$(LOCAL_PREBUILT_LIBS))
diff --git a/core/notice_files.mk b/core/notice_files.mk
index 7e61c1e..5af0113 100644
--- a/core/notice_files.mk
+++ b/core/notice_files.mk
@@ -73,6 +73,19 @@
 $(LOCAL_INSTALLED_MODULE): | $(installed_notice_file)
 endif
 
+# To facilitate collecting NOTICE files for apps_only build,
+# we install the NOTICE file even if a module gets built but not installed,
+# because shared jni libraries won't be installed to the system image.
+ifdef TARGET_BUILD_APPS
+# for static Java libraries, we don't need to even build LOCAL_BUILT_MODULE,
+# but just javalib.jar in the common intermediate dir.
+ifeq ($(LOCAL_MODULE_CLASS),JAVA_LIBRARIES)
+$(intermediates.COMMON)/javalib.jar : | $(installed_notice_file)
+else
+$(LOCAL_BUILT_MODULE): | $(installed_notice_file)
+endif  # JAVA_LIBRARIES
+endif  # TARGET_BUILD_APPS
+
 else
 # NOTICE file does not exist
 installed_notice_file :=
diff --git a/core/package.mk b/core/package.mk
index 36fb54c..fd72cce 100644
--- a/core/package.mk
+++ b/core/package.mk
@@ -131,12 +131,9 @@
 LOCAL_PROGUARD_ENABLED:=$(strip $(LOCAL_PROGUARD_ENABLED))
 ifndef LOCAL_PROGUARD_ENABLED
 ifneq ($(DISABLE_PROGUARD),true)
-ifneq ($(filter user userdebug, $(TARGET_BUILD_VARIANT)),)
-    # turn on Proguard by default for user & userdebug build
     LOCAL_PROGUARD_ENABLED :=full
 endif
 endif
-endif
 ifeq ($(LOCAL_PROGUARD_ENABLED),disabled)
     # the package explicitly request to disable proguard.
     LOCAL_PROGUARD_ENABLED :=
@@ -483,3 +480,6 @@
 lintall : lint-$(LOCAL_PACKAGE_NAME)
 
 endif # skip_definition
+
+# Reset internal variables.
+all_res_assets :=
diff --git a/core/pathmap.mk b/core/pathmap.mk
index 7024e3e..0292a30 100644
--- a/core/pathmap.mk
+++ b/core/pathmap.mk
@@ -34,7 +34,6 @@
     frameworks-native:frameworks/native/include \
     graphics:external/skia/include/core \
     libc:bionic/libc/include \
-    libdrm1:frameworks/base/media/libdrm/mobile1/include \
     libhardware:hardware/libhardware/include \
     libhardware_legacy:hardware/libhardware_legacy/include \
     libhost:build/libs/host/include \
@@ -76,11 +75,6 @@
 # A list of all source roots under frameworks/base, which will be
 # built into the android.jar.
 #
-# Note - "common" is included here, even though it is also built
-# into a static library (android-common) for unbundled use.  This
-# is so common and the other framework libraries can have mutual
-# interdependencies.
-#
 FRAMEWORKS_BASE_SUBDIRS := \
 	$(addsuffix /java, \
 	    core \
diff --git a/core/pdk_config.mk b/core/pdk_config.mk
index 41a82d4..cdd2a76 100644
--- a/core/pdk_config.mk
+++ b/core/pdk_config.mk
@@ -47,6 +47,7 @@
 	target/common/obj/JAVA_LIBRARIES/core-junit_intermediates \
 	target/common/obj/JAVA_LIBRARIES/ext_intermediates \
 	target/common/obj/JAVA_LIBRARIES/framework_intermediates \
+	target/common/obj/JAVA_LIBRARIES/framework2_intermediates \
 	target/common/obj/JAVA_LIBRARIES/android.test.runner_intermediates \
 	target/common/obj/JAVA_LIBRARIES/telephony-common_intermediates \
 	target/common/obj/JAVA_LIBRARIES/voip-common_intermediates \
@@ -117,9 +118,14 @@
 
 ifeq (true,$(TARGET_BUILD_PDK_JAVA_PLATFORM))
 
+PDK_FUSION_OUT_DIR := $(OUT_DIR)
+ifeq (debug,$(TARGET_BUILD_TYPE))
+PDK_FUSION_OUT_DIR := $(DEBUG_OUT_DIR)
+endif
+
 define JAVA_dependency_template
-$(OUT_DIR)/$(strip $(1)): $(_pdk_fusion_intermediates)/$(strip $(1)) $(OUT_DIR)/$(strip $(2)) \
-  $(_pdk_fusion_stamp)
+$(PDK_FUSION_OUT_DIR)/$(strip $(1)): $(_pdk_fusion_intermediates)/$(strip $(1)) \
+  $(PDK_FUSION_OUT_DIR)/$(strip $(2)) $(_pdk_fusion_stamp)
 	@mkdir -p $$(dir $$@)
 	$(hide) cp -fpPR $$< $$@
 endef
diff --git a/core/phony_package.mk b/core/phony_package.mk
index 70b6aac..b534335 100644
--- a/core/phony_package.mk
+++ b/core/phony_package.mk
@@ -7,7 +7,7 @@
 
 include $(BUILD_SYSTEM)/base_rules.mk
 
-$(LOCAL_BUILT_MODULE):
+$(LOCAL_BUILT_MODULE): $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(hide) echo "Fake: $@"
 	$(hide) mkdir -p $(dir $@)
 	$(hide) touch $@
diff --git a/core/prebuilt.mk b/core/prebuilt.mk
index fd8e0f5..3e73c8d 100644
--- a/core/prebuilt.mk
+++ b/core/prebuilt.mk
@@ -16,6 +16,9 @@
 $(error dont use LOCAL_PREBUILT_JAVA_LIBRARIES anymore LOCAL_PATH=$(LOCAL_PATH))
 endif
 
+# Not much sense to check build prebuilts
+LOCAL_DONT_CHECK_MODULE := true
+
 ifdef LOCAL_PREBUILT_MODULE_FILE
 my_prebuilt_src_file := $(LOCAL_PREBUILT_MODULE_FILE)
 else
diff --git a/core/product.mk b/core/product.mk
index bbd0c31..a2f4abc 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -95,7 +95,9 @@
     PRODUCT_RESTRICT_VENDOR_FILES \
     PRODUCT_VENDOR_KERNEL_HEADERS \
     PRODUCT_FACTORY_RAMDISK_MODULES \
-    PRODUCT_FACTORY_BUNDLE_MODULES
+    PRODUCT_FACTORY_BUNDLE_MODULES \
+    PRODUCT_RUNTIMES \
+    PRODUCT_BOOT_JARS
 
 
 define dump-product
@@ -207,6 +209,7 @@
 
 
 _product_stash_var_list := $(_product_var_list) \
+	PRODUCT_BOOTCLASSPATH \
 	TARGET_ARCH \
 	TARGET_ARCH_VARIANT \
 	TARGET_CPU_VARIANT \
@@ -235,9 +238,6 @@
 	BOARD_KERNEL_CMDLINE \
 	BOARD_KERNEL_BASE \
 	BOARD_HAVE_BLUETOOTH \
-	BOARD_HAVE_BLUETOOTH_BCM \
-	BOARD_HAVE_BLUETOOTH_QCOM \
-	BOARD_VENDOR_QCOM_AMSS_VERSION \
 	BOARD_VENDOR_USE_AKMD \
 	BOARD_EGL_CFG \
 	BOARD_BOOTIMAGE_PARTITION_SIZE \
@@ -248,8 +248,6 @@
 	BOARD_CACHEIMAGE_PARTITION_SIZE \
 	BOARD_FLASH_BLOCK_SIZE \
 	BOARD_SYSTEMIMAGE_PARTITION_SIZE \
-	BOARD_VENDOR_QCOM_GPS_LOC_API_HARDWARE \
-	BOARD_VENDOR_QCOM_GPS_LOC_API_AMSS_VERSION \
 	BOARD_INSTALLER_CMDLINE \
 
 
diff --git a/core/product_config.mk b/core/product_config.mk
index bfbdf78..e4b68cf 100644
--- a/core/product_config.mk
+++ b/core/product_config.mk
@@ -246,6 +246,31 @@
 all_product_makefiles :=
 all_product_configs :=
 
+
+#############################################################################
+# TODO: Remove this hack once only 1 runtime is left.
+# Include the runtime product makefile based on the product's PRODUCT_RUNTIMES
+$(call clear-var-list, $(_product_var_list))
+
+# Set PRODUCT_RUNTIMES, allowing buildspec to override using OVERRIDE_RUNTIMES
+product_runtimes := $(sort $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_RUNTIMES))
+ifneq ($(OVERRIDE_RUNTIMES),)
+  $(info Overriding PRODUCT_RUNTIMES=$(product_runtimes) with $(OVERRIDE_RUNTIMES))
+  product_runtimes := $(OVERRIDE_RUNTIMES)
+endif
+$(foreach runtime, $(product_runtimes), $(eval include $(SRC_TARGET_DIR)/product/$(runtime).mk))
+$(foreach v, $(_product_var_list), $(if $($(v)),\
+    $(eval PRODUCTS.$(INTERNAL_PRODUCT).$(v) += $(sort $($(v))))))
+
+$(call clear-var-list, $(_product_var_list))
+# Now we can assign to PRODUCT_RUNTIMES
+PRODUCT_RUNTIMES := $(product_runtimes)
+product_runtimes :=
+#############################################################################
+
+# A list of module names of BOOTCLASSPATH (jar files)
+PRODUCT_BOOT_JARS := $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_BOOT_JARS)
+
 # Find the device that this product maps to.
 TARGET_DEVICE := $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_DEVICE)
 
diff --git a/core/static_java_library.mk b/core/static_java_library.mk
index c3c5c86..f95a382 100644
--- a/core/static_java_library.mk
+++ b/core/static_java_library.mk
@@ -59,6 +59,8 @@
 endif  # all_resources
 endif  # LOCAL_RESOURCE_DIR
 
+all_res_assets := $(all_resources)
+
 include $(BUILD_SYSTEM)/java_library.mk
 
 ifneq (,$(all_resources))
@@ -124,4 +126,6 @@
 
 endif  # $(all_resources) not empty
 
+# Reset internal variables.
+all_res_assets :=
 LOCAL_IS_STATIC_JAVA_LIBRARY :=
diff --git a/core/tasks/cts.mk b/core/tasks/cts.mk
index 9154f32..f38f090 100644
--- a/core/tasks/cts.mk
+++ b/core/tasks/cts.mk
@@ -31,6 +31,7 @@
 CTS_CORE_CASE_LIST := \
 	android.core.tests.libcore.package.dalvik \
 	android.core.tests.libcore.package.com \
+	android.core.tests.libcore.package.conscrypt \
 	android.core.tests.libcore.package.sun \
 	android.core.tests.libcore.package.tests \
 	android.core.tests.libcore.package.org \
@@ -45,10 +46,9 @@
 CTS_CASE_LIST := $(CTS_CORE_CASE_LIST) $(CTS_TEST_CASE_LIST)
 
 DEFAULT_TEST_PLAN := $(cts_dir)/$(cts_name)/resource/plans
-
+CTS_TEST_CASE_LIST_FILES := $(foreach c, $(CTS_TEST_CASE_LIST), $(call intermediates-dir-for,APPS,$(c))/package.apk)
 $(cts_dir)/all_cts_files_stamp: PRIVATE_JUNIT_HOST_JAR := $(junit_host_jar)
-
-$(cts_dir)/all_cts_files_stamp: $(CTS_CORE_CASES) $(CTS_TEST_CASES) $(CTS_TEST_CASE_LIST) $(junit_host_jar) $(HOSTTESTLIB_JAR) $(CTS_HOST_LIBRARY_JARS) $(TF_JAR) $(VMTESTSTF_JAR) $(CTS_TF_JAR) $(CTS_TF_EXEC_PATH) $(CTS_TF_README_PATH) $(ACP)
+$(cts_dir)/all_cts_files_stamp: $(CTS_CORE_CASES) $(CTS_TEST_CASES) $(CTS_TEST_CASE_LIST_FILES) $(junit_host_jar) $(HOSTTESTLIB_JAR) $(CTS_HOST_LIBRARY_JARS) $(TF_JAR) $(VMTESTSTF_JAR) $(CTS_TF_JAR) $(CTS_TF_EXEC_PATH) $(CTS_TF_README_PATH) $(ACP)
 # Make necessary directory for CTS
 	$(hide) rm -rf $(PRIVATE_CTS_DIR)
 	$(hide) mkdir -p $(TMP_DIR)
@@ -88,12 +88,14 @@
 SQLITEJDBC_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,sqlite-jdbc,,COMMON)
 JUNIT_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core-junit,,COMMON)
 CORETESTS_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core-tests,,COMMON)
+CONSCRYPTTESTS_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,conscrypt-tests,,COMMON)
 
-GEN_CLASSPATH := $(CORE_INTERMEDIATES)/classes.jar:$(CONSCRYPT_INTERMEDIATES)/classes.jar:$(BOUNCYCASTLE_INTERMEDIATES)/classes.jar:$(APACHEXML_INTERMEDIATES)/classes.jar:$(OKHTTP_INTERMEDIATES)/classes.jar:$(JUNIT_INTERMEDIATES)/classes.jar:$(SQLITEJDBC_INTERMEDIATES)/javalib.jar:$(CORETESTS_INTERMEDIATES)/javalib.jar
+GEN_CLASSPATH := $(CORE_INTERMEDIATES)/classes.jar:$(CONSCRYPT_INTERMEDIATES)/classes.jar:$(BOUNCYCASTLE_INTERMEDIATES)/classes.jar:$(APACHEXML_INTERMEDIATES)/classes.jar:$(OKHTTP_INTERMEDIATES)/classes.jar:$(JUNIT_INTERMEDIATES)/classes.jar:$(SQLITEJDBC_INTERMEDIATES)/javalib.jar:$(CORETESTS_INTERMEDIATES)/javalib.jar:$(CONSCRYPTTESTS_INTERMEDIATES)/javalib.jar
 
 CTS_CORE_XMLS := \
 	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.dalvik.xml \
 	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.com.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.conscrypt.xml \
 	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.sun.xml \
 	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.tests.xml \
 	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.org.xml \
@@ -105,28 +107,52 @@
 # build system requires that dependencies use javalib.jar.  If
 # javalib.jar is up-to-date, then classes.jar is as well.  Depending
 # on classes.jar will build the files incorrectly.
-$(CTS_CORE_XMLS): $(CTS_CORE_CASES) $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(CORE_INTERMEDIATES)/javalib.jar $(BOUNCYCASTLE_INTERMEDIATES)/javalib.jar $(APACHEXML_INTERMEDIATES)/javalib.jar $(OKHTTP_INTERMEDIATES)/javalib.jar $(SQLITEJDBC_INTERMEDIATES)/javalib.jar $(JUNIT_INTERMEDIATES)/javalib.jar $(CORETESTS_INTERMEDIATES)/javalib.jar | $(ACP)
+CTS_CORE_XMLS_DEPS := $(CTS_CORE_CASES) $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(CORE_INTERMEDIATES)/javalib.jar $(BOUNCYCASTLE_INTERMEDIATES)/javalib.jar $(APACHEXML_INTERMEDIATES)/javalib.jar $(OKHTTP_INTERMEDIATES)/javalib.jar $(SQLITEJDBC_INTERMEDIATES)/javalib.jar $(JUNIT_INTERMEDIATES)/javalib.jar $(CORETESTS_INTERMEDIATES)/javalib.jar $(CONSCRYPTTESTS_INTERMEDIATES)/javalib.jar | $(ACP)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.dalvik.xml: $(CTS_CORE_XMLS_DEPS)
 	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
 	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.dalvik,\
 		cts/tests/core/libcore/dalvik/AndroidManifest.xml,\
 		$(CORETESTS_INTERMEDIATES)/javalib.jar,dalvik,\
 		libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.com.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
 	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.com,\
 		cts/tests/core/libcore/com/AndroidManifest.xml,\
 		$(CORETESTS_INTERMEDIATES)/javalib.jar,com,\
 		libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.conscrypt.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.conscrypt,\
+		cts/tests/core/libcore/conscrypt/AndroidManifest.xml,\
+		$(CONSCRYPTTESTS_INTERMEDIATES)/javalib.jar,,\
+		libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.sun.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
 	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.sun,\
 		cts/tests/core/libcore/sun/AndroidManifest.xml,\
 		$(CORETESTS_INTERMEDIATES)/javalib.jar,sun,\
 		libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.tests.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
 	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.tests,\
 		cts/tests/core/libcore/tests/AndroidManifest.xml,\
 		$(CORETESTS_INTERMEDIATES)/javalib.jar,tests,\
 		libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.org.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
 	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.org,\
 		cts/tests/core/libcore/org/AndroidManifest.xml,\
 		$(CORETESTS_INTERMEDIATES)/javalib.jar,org,\
 		libcore/expectations)
+
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.libcore.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
 	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.libcore,\
 		cts/tests/core/libcore/libcore/AndroidManifest.xml,\
 		$(CORETESTS_INTERMEDIATES)/javalib.jar,libcore,\
@@ -159,6 +185,7 @@
 	$(hide) $(ACP) -fp $(CTS_CORE_XMLS) $(CTS_TEST_XMLS) $(CORE_VM_TEST_TF_DESC) $(PRIVATE_DIR)/repository/testcases
 	$(hide) $(cts_tools_src_dir)/utils/buildCts.py cts/tests/tests/ $(PRIVATE_DIR) $(TMP_DIR) \
 		$(TOP) $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar
+	$(hide) mkdir -p $(dir $@) && touch $@
 
 # Package CTS and clean up.
 #
diff --git a/core/tasks/product-graph.mk b/core/tasks/product-graph.mk
index 1ccb20b..fcec277 100644
--- a/core/tasks/product-graph.mk
+++ b/core/tasks/product-graph.mk
@@ -51,26 +51,33 @@
 
 really_all_products := $(call gather-all-products)
 
+open_parethesis := (
+close_parenthesis := )
+
+# Emit properties of a product node to a file.
+# $(1) the product
+# $(2) the output file
+define emit-product-node-props
+$(hide) echo \"$(1)\" [ \
+label=\"$(dir $(1))\\n$(notdir $(1))\\n\\n$(subst $(close_parenthesis),,$(subst $(open_parethesis),,$(PRODUCTS.$(strip $(1)).PRODUCT_MODEL)))\\n$(PRODUCTS.$(strip $(1)).PRODUCT_DEVICE)\" \
+$(if $(filter $(1),$(PRIVATE_PRODUCTS_FILTER)), style=\"filled\" fillcolor=\"#FFFDB0\",) \
+fontcolor=\"darkblue\" href=\"products/$(1).html\" \
+] >> $(2)
+
+endef
+
 $(products_graph): PRIVATE_PRODUCTS := $(really_all_products)
 $(products_graph): PRIVATE_PRODUCTS_FILTER := $(products_list)
 
 $(products_graph): $(this_makefile)
 	@echo Product graph DOT: $@ for $(PRIVATE_PRODUCTS_FILTER)
-	$(hide) ( \
-		echo 'digraph {'; \
-		echo 'graph [ ratio=.5 ];'; \
-		$(foreach p,$(PRIVATE_PRODUCTS), \
-			$(foreach d,$(PRODUCTS.$(strip $(p)).INHERITS_FROM), echo \"$(d)\" -\> \"$(p)\";)) \
-		$(foreach prod, $(PRIVATE_PRODUCTS), \
-			echo \"$(prod)\" [ \
-					label=\"$(dir $(prod))\\n$(notdir $(prod))\\n\\n$(PRODUCTS.$(strip $(prod)).PRODUCT_MODEL)\\n$(PRODUCTS.$(strip $(prod)).PRODUCT_DEVICE)\" \
-					$(if $(filter $(prod),$(PRIVATE_PRODUCTS_FILTER)), style=\"filled\" fillcolor=\"#FFFDB0\",) \
-					fontcolor=\"darkblue\" href=\"products/$(prod).html\" \
-				];) \
-		echo '}' \
-	) \
-	| ./build/tools/filter-product-graph.py $(PRIVATE_PRODUCTS_FILTER) \
-	> $@
+	$(hide) echo 'digraph {' > $@.in
+	$(hide) echo 'graph [ ratio=.5 ];' >> $@.in
+	$(hide) $(foreach p,$(PRIVATE_PRODUCTS), \
+	  $(foreach d,$(PRODUCTS.$(strip $(p)).INHERITS_FROM), echo \"$(d)\" -\> \"$(p)\" >> $@.in;))
+	$(foreach p,$(PRIVATE_PRODUCTS),$(call emit-product-node-props,$(p),$@.in))
+	$(hide) echo '}' >> $@.in
+	$(hide) ./build/tools/filter-product-graph.py $(PRIVATE_PRODUCTS_FILTER) < $@.in > $@
 
 # Evaluates to the name of the product file
 # $(1) product file
@@ -137,4 +144,3 @@
 	dot -Tsvg -Nshape=box -o $@ $<
 
 product-graph: $(products_pdf) $(products_svg)
-
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index b9e1456..8fa5081 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -41,7 +41,7 @@
   # 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 := 4.3.2.1.000.000
+  PLATFORM_VERSION := KeyLimePie
 endif
 
 ifeq "" "$(PLATFORM_SDK_VERSION)"
@@ -59,7 +59,7 @@
 ifeq "" "$(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 := KeyLimePie
 endif
 
 ifeq "" "$(DEFAULT_APP_TARGET_SDK)"
diff --git a/envsetup.sh b/envsetup.sh
index d64bd29..0661fe6 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -638,6 +638,9 @@
         # Find the closest Android.mk file.
         T=$(gettop)
         local M=$(findmakefile)
+        local MODULES=
+        local GET_INSTALL_PATH=
+        local ARGS=
         # Remove the path to top as the makefilepath needs to be relative
         local M=`echo $M|sed 's:'$T'/::'`
         if [ ! "$T" ]; then
@@ -645,7 +648,19 @@
         elif [ ! "$M" ]; then
             echo "Couldn't locate a makefile from the current directory."
         else
-            ONE_SHOT_MAKEFILE=$M make -C $T -f build/core/main.mk all_modules $@
+            for ARG in $@; do
+                case $ARG in
+                  GET-INSTALL-PATH) GET_INSTALL_PATH=$ARG;;
+                esac
+            done
+            if [ -n "$GET_INSTALL_PATH" ]; then
+              MODULES=
+              ARGS=GET-INSTALL-PATH
+            else
+              MODULES=all_modules
+              ARGS=$@
+            fi
+            ONE_SHOT_MAKEFILE=$M make -C $T -f build/core/main.mk $MODULES $ARGS
         fi
     fi
 }
@@ -658,6 +673,7 @@
         local MODULES=
         local ARGS=
         local DIR TO_CHOP
+        local GET_INSTALL_PATH=
         local DASH_ARGS=$(echo "$@" | awk -v RS=" " -v ORS=" " '/^-.*$/')
         local DIRS=$(echo "$@" | awk -v RS=" " -v ORS=" " '/^[^-].*$/')
         for DIR in $DIRS ; do
@@ -667,10 +683,10 @@
             fi
             DIR=`echo $DIR | sed -e 's/:.*//' -e 's:/$::'`
             if [ -f $DIR/Android.mk ]; then
-                TO_CHOP=`(\cd -P -- $T && pwd -P) | wc -c | tr -d ' '`
-                TO_CHOP=`expr $TO_CHOP + 1`
-                START=`PWD= /bin/pwd`
-                MFILE=`echo $START | cut -c${TO_CHOP}-`
+                local TO_CHOP=`(\cd -P -- $T && pwd -P) | wc -c | tr -d ' '`
+                local TO_CHOP=`expr $TO_CHOP + 1`
+                local START=`PWD= /bin/pwd`
+                local MFILE=`echo $START | cut -c${TO_CHOP}-`
                 if [ "$MFILE" = "" ] ; then
                     MFILE=$DIR/Android.mk
                 else
@@ -678,20 +694,17 @@
                 fi
                 MAKEFILE="$MAKEFILE $MFILE"
             else
-                if [ "$DIR" = snod ]; then
-                    ARGS="$ARGS snod"
-                elif [ "$DIR" = showcommands ]; then
-                    ARGS="$ARGS showcommands"
-                elif [ "$DIR" = dist ]; then
-                    ARGS="$ARGS dist"
-                elif [ "$DIR" = incrementaljavac ]; then
-                    ARGS="$ARGS incrementaljavac"
-                else
-                    echo "No Android.mk in $DIR."
-                    return 1
-                fi
+                case $DIR in
+                  showcommands | snod | dist | incrementaljavac) ARGS="$ARGS $DIR";;
+                  GET-INSTALL-PATH) GET_INSTALL_PATH=$DIR;;
+                  *) echo "No Android.mk in $DIR."; return 1;;
+                esac
             fi
         done
+        if [ -n "$GET_INSTALL_PATH" ]; then
+          ARGS=$GET_INSTALL_PATH
+          MODULES=
+        fi
         ONE_SHOT_MAKEFILE="$MAKEFILE" make -C $T -f build/core/main.mk $DASH_ARGS $MODULES $ARGS
     else
         echo "Couldn't locate the top of the tree.  Try setting TOP."
@@ -774,15 +787,50 @@
     echo "can't find Android.mk"
 }
 
+# simplified version of ps; output in the form
+# <pid> <procname>
+function qpid() {
+    local prepend=''
+    local append=''
+    if [ "$1" = "--exact" ]; then
+        prepend=' '
+        append='$'
+        shift
+    elif [ "$1" = "--help" -o "$1" = "-h" ]; then
+		echo "usage: qpid [[--exact] <process name|pid>"
+		return 255
+	fi
+
+    local EXE="$1"
+    if [ "$EXE" ] ; then
+		qpid | \grep "$prepend$EXE$append"
+	else
+		adb shell ps \
+			| tr -d '\r' \
+			| sed -e 1d -e 's/^[^ ]* *\([0-9]*\).* \([^ ]*\)$/\1 \2/'
+	fi
+}
+
 function pid()
 {
-   local EXE="$1"
-   if [ "$EXE" ] ; then
-       local PID=`adb shell ps | fgrep $1 | sed -e 's/[^ ]* *\([0-9]*\).*/\1/'`
-       echo "$PID"
-   else
-       echo "usage: pid name"
-   fi
+    local prepend=''
+    local append=''
+    if [ "$1" = "--exact" ]; then
+        prepend=' '
+        append='$'
+        shift
+    fi
+    local EXE="$1"
+    if [ "$EXE" ] ; then
+        local PID=`adb shell ps \
+            | tr -d '\r' \
+            | \grep "$prepend$EXE$append" \
+            | sed -e 's/^[^ ]* *\([0-9]*\).*$/\1/'`
+        echo "$PID"
+    else
+        echo "usage: pid [--exact] <process name>"
+		return 255
+    fi
 }
 
 # systemstack - dump the current stack trace of all threads in the system process
@@ -797,31 +845,45 @@
     if [[ $1 =~ ^[0-9]+$ ]] ; then
         local PID="$1"
     elif [ "$1" ] ; then
-        local PID=$(pid $1)
+        local PIDLIST="$(pid $1)"
+        if [[ $PIDLIST =~ ^[0-9]+$ ]] ; then
+            local PID="$PIDLIST"
+        elif [ "$PIDLIST" ] ; then
+            echo "more than one process: $1"
+        else
+            echo "no such process: $1"
+        fi
     else
         echo "usage: stacks [pid|process name]"
     fi
 
     if [ "$PID" ] ; then
-        local TRACES=/data/anr/traces.txt
-        local ORIG=/data/anr/traces.orig
-        local TMP=/data/anr/traces.tmp
+        # Determine whether the process is native
+        if adb shell ls -l /proc/$PID/exe | grep -q /system/bin/app_process ; then
+            # Dump stacks of Dalvik process
+            local TRACES=/data/anr/traces.txt
+            local ORIG=/data/anr/traces.orig
+            local TMP=/data/anr/traces.tmp
 
-        # Keep original traces to avoid clobbering
-        adb shell mv $TRACES $ORIG
+            # Keep original traces to avoid clobbering
+            adb shell mv $TRACES $ORIG
 
-        # Make sure we have a usable file
-        adb shell touch $TRACES
-        adb shell chmod 666 $TRACES
+            # Make sure we have a usable file
+            adb shell touch $TRACES
+            adb shell chmod 666 $TRACES
 
-        # Dump stacks and wait for dump to finish
-        adb shell kill -3 $PID
-        adb shell notify $TRACES
+            # Dump stacks and wait for dump to finish
+            adb shell kill -3 $PID
+            adb shell notify $TRACES >/dev/null
 
-        # Restore original stacks, and show current output
-        adb shell mv $TRACES $TMP
-        adb shell mv $ORIG $TRACES
-        adb shell cat $TMP | less -S
+            # Restore original stacks, and show current output
+            adb shell mv $TRACES $TMP
+            adb shell mv $ORIG $TRACES
+            adb shell cat $TMP
+        else
+            # Dump stacks of native process
+            adb shell debuggerd -b $PID
+        fi
     fi
 }
 
@@ -868,7 +930,7 @@
                if [[ ! "$PID" =~ ^[0-9]+$ ]] ; then
                    # that likely didn't work because of returning multiple processes
                    # try again, filtering by root processes (don't contain colon)
-                   PID=`adb shell ps | grep $3 | grep -v ":" | awk '{print $2}'`
+                   PID=`adb shell ps | \grep $3 | \grep -v ":" | awk '{print $2}'`
                    if [[ ! "$PID" =~ ^[0-9]+$ ]]
                    then
                        echo "Couldn't resolve '$3' to single PID"
@@ -894,6 +956,7 @@
 
        echo >|"$OUT_ROOT/gdbclient.cmds" "set solib-absolute-prefix $OUT_SYMBOLS"
        echo >>"$OUT_ROOT/gdbclient.cmds" "set solib-search-path $OUT_SO_SYMBOLS:$OUT_SO_SYMBOLS/hw:$OUT_SO_SYMBOLS/ssl/engines:$OUT_SO_SYMBOLS/drm:$OUT_SO_SYMBOLS/egl:$OUT_SO_SYMBOLS/soundfx"
+       echo >>"$OUT_ROOT/gdbclient.cmds" "source $ANDROID_BUILD_TOP/development/scripts/gdb/dalvik.gdb"
        echo >>"$OUT_ROOT/gdbclient.cmds" "target remote $PORT"
        echo >>"$OUT_ROOT/gdbclient.cmds" ""
 
@@ -1060,7 +1123,7 @@
     fi
 
     # issue "am" command to cause the hprof dump
-    local sdcard=$(adb shell echo -n '$EXTERNAL_STORAGE')
+    local sdcard=$(adb ${adbOptions} shell echo -n '$EXTERNAL_STORAGE')
     local devFile=$sdcard/hprof-$targetPid
     #local devFile=/data/local/hprof-$targetPid
     echo "Poking $targetPid and waiting for data..."
diff --git a/libs/host/Android.mk b/libs/host/Android.mk
index 9900f59..74afa55 100644
--- a/libs/host/Android.mk
+++ b/libs/host/Android.mk
@@ -2,8 +2,7 @@
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES:= \
-	CopyFile.c \
-	pseudolocalize.cpp
+	CopyFile.c
 
 ifeq ($(HOST_OS),cygwin)
 LOCAL_CFLAGS += -DWIN32_EXE
diff --git a/libs/host/include/host/pseudolocalize.h b/libs/host/include/host/pseudolocalize.h
deleted file mode 100644
index 94cb034..0000000
--- a/libs/host/include/host/pseudolocalize.h
+++ /dev/null
@@ -1,9 +0,0 @@
-#ifndef HOST_PSEUDOLOCALIZE_H
-#define HOST_PSEUDOLOCALIZE_H
-
-#include <string>
-
-std::string pseudolocalize_string(const std::string& source);
-
-#endif // HOST_PSEUDOLOCALIZE_H
-
diff --git a/libs/host/pseudolocalize.cpp b/libs/host/pseudolocalize.cpp
deleted file mode 100644
index a2b3c2f..0000000
--- a/libs/host/pseudolocalize.cpp
+++ /dev/null
@@ -1,119 +0,0 @@
-#include <host/pseudolocalize.h>
-
-using namespace std;
-
-static const char*
-pseudolocalize_char(char c)
-{
-    switch (c) {
-        case 'a':   return "\xc4\x83";
-        case 'b':   return "\xcf\x84";
-        case 'c':   return "\xc4\x8b";
-        case 'd':   return "\xc4\x8f";
-        case 'e':   return "\xc4\x99";
-        case 'f':   return "\xc6\x92";
-        case 'g':   return "\xc4\x9d";
-        case 'h':   return "\xd1\x9b";
-        case 'i':   return "\xcf\x8a";
-        case 'j':   return "\xc4\xb5";
-        case 'k':   return "\xc4\xb8";
-        case 'l':   return "\xc4\xba";
-        case 'm':   return "\xe1\xb8\xbf";
-        case 'n':   return "\xd0\xb8";
-        case 'o':   return "\xcf\x8c";
-        case 'p':   return "\xcf\x81";
-        case 'q':   return "\x51";
-        case 'r':   return "\xd2\x91";
-        case 's':   return "\xc5\xa1";
-        case 't':   return "\xd1\x82";
-        case 'u':   return "\xce\xb0";
-        case 'v':   return "\x56";
-        case 'w':   return "\xe1\xba\x85";
-        case 'x':   return "\xd1\x85";
-        case 'y':   return "\xe1\xbb\xb3";
-        case 'z':   return "\xc5\xba";
-        case 'A':   return "\xc3\x85";
-        case 'B':   return "\xce\xb2";
-        case 'C':   return "\xc4\x88";
-        case 'D':   return "\xc4\x90";
-        case 'E':   return "\xd0\x84";
-        case 'F':   return "\xce\x93";
-        case 'G':   return "\xc4\x9e";
-        case 'H':   return "\xc4\xa6";
-        case 'I':   return "\xd0\x87";
-        case 'J':   return "\xc4\xb5";
-        case 'K':   return "\xc4\xb6";
-        case 'L':   return "\xc5\x81";
-        case 'M':   return "\xe1\xb8\xbe";
-        case 'N':   return "\xc5\x83";
-        case 'O':   return "\xce\x98";
-        case 'P':   return "\xcf\x81";
-        case 'Q':   return "\x71";
-        case 'R':   return "\xd0\xaf";
-        case 'S':   return "\xc8\x98";
-        case 'T':   return "\xc5\xa6";
-        case 'U':   return "\xc5\xa8";
-        case 'V':   return "\xce\xbd";
-        case 'W':   return "\xe1\xba\x84";
-        case 'X':   return "\xc3\x97";
-        case 'Y':   return "\xc2\xa5";
-        case 'Z':   return "\xc5\xbd";
-        default:    return NULL;
-    }
-}
-
-/**
- * Converts characters so they look like they've been localized.
- *
- * Note: This leaves escape sequences untouched so they can later be
- * processed by ResTable::collectString in the normal way.
- */
-string
-pseudolocalize_string(const string& source)
-{
-    const char* s = source.c_str();
-    string result;
-    const size_t I = source.length();
-    for (size_t i=0; i<I; i++) {
-        char c = s[i];
-        if (c == '\\') {
-            if (i<I-1) {
-                result += '\\';
-                i++;
-                c = s[i];
-                switch (c) {
-                    case 'u':
-                        // this one takes up 5 chars
-                        result += string(s+i, 5);
-                        i += 4;
-                        break;
-                    case 't':
-                    case 'n':
-                    case '#':
-                    case '@':
-                    case '?':
-                    case '"':
-                    case '\'':
-                    case '\\':
-                    default:
-                        result += c;
-                        break;
-                }
-            } else {
-                result += c;
-            }
-        } else {
-            const char* p = pseudolocalize_char(c);
-            if (p != NULL) {
-                result += p;
-            } else {
-                result += c;
-            }
-        }
-    }
-
-    //printf("result=\'%s\'\n", result.c_str());
-    return result;
-}
-
-
diff --git a/target/board/Android.mk b/target/board/Android.mk
index 7d94ee0..f8ecc4e 100644
--- a/target/board/Android.mk
+++ b/target/board/Android.mk
@@ -2,24 +2,6 @@
 # Set up product-global definitions and include product-specific rules.
 #
 
-ifneq ($(strip $(TARGET_NO_BOOTLOADER)),true)
-  INSTALLED_BOOTLOADER_MODULE := $(PRODUCT_OUT)/bootloader
-  ifeq ($(strip $(TARGET_BOOTLOADER_IS_2ND)),true)
-    INSTALLED_2NDBOOTLOADER_TARGET := $(PRODUCT_OUT)/2ndbootloader
-  else
-    INSTALLED_2NDBOOTLOADER_TARGET :=
-  endif
-else
-  INSTALLED_BOOTLOADER_MODULE :=
-  INSTALLED_2NDBOOTLOADER_TARGET :=
-endif	# TARGET_NO_BOOTLOADER
-
-ifneq ($(strip $(TARGET_NO_KERNEL)),true)
-  INSTALLED_KERNEL_TARGET := $(PRODUCT_OUT)/kernel
-else
-  INSTALLED_KERNEL_TARGET :=
-endif
-
 -include $(TARGET_DEVICE_DIR)/AndroidBoard.mk
 
 # Generate a file that contains various information about the
diff --git a/target/board/vbox_x86/BoardConfig.mk b/target/board/vbox_x86/BoardConfig.mk
index 80a9077..815ad9e 100644
--- a/target/board/vbox_x86/BoardConfig.mk
+++ b/target/board/vbox_x86/BoardConfig.mk
@@ -9,7 +9,6 @@
 TARGET_HARDWARE_3D := false
 BOARD_USES_GENERIC_AUDIO := true
 USE_CAMERA_STUB := true
-TARGET_PROVIDES_INIT_RC := true
 TARGET_CPU_ABI := x86
 TARGET_USERIMAGES_USE_EXT4 := true
 TARGET_BOOTIMAGE_USE_EXT2 := true
diff --git a/target/board/vbox_x86/device.mk b/target/board/vbox_x86/device.mk
index 2bb96b9..a44a87f 100644
--- a/target/board/vbox_x86/device.mk
+++ b/target/board/vbox_x86/device.mk
@@ -30,7 +30,6 @@
     device/generic/goldfish/data/etc/apns-conf.xml:system/etc/apns-conf.xml \
     device/generic/goldfish/camera/media_profiles.xml:system/etc/media_profiles.xml \
     device/generic/goldfish/camera/media_codecs.xml:system/etc/media_codecs.xml \
-    system/core/rootdir/init.rc:root/init.rc \
     build/target/board/vbox_x86/init.vbox_x86.rc:root/init.vbox_x86.rc \
     $(LOCAL_KERNEL):kernel
 
diff --git a/target/product/base.mk b/target/product/base.mk
index ebb341c..7ecc737 100644
--- a/target/product/base.mk
+++ b/target/product/base.mk
@@ -44,9 +44,9 @@
     libcameraservice \
     libchromium_net \
     libdl \
-    libdrm1 \
-    libdrm1_jni \
+    libeffectproxy \
     libeffects \
+    libinput \
     libiprouteutil \
     libjni_latinime \
     libjnigraphics \
@@ -56,6 +56,7 @@
     libmtp \
     libnetlink \
     libnetutils \
+    libpac \
     libreference-ril \
     libreverbwrapper \
     libril \
@@ -72,7 +73,6 @@
     libstagefright_foundation \
     libstagefright_omx \
     libstagefright_yuv \
-    libsystem_server \
     libusbhost \
     libutils \
     libvisualizer \
@@ -99,7 +99,6 @@
     services \
     settings \
     svc \
-    system_server \
     tc \
     vdc \
     vold \
diff --git a/target/product/core.mk b/target/product/core.mk
index d503ddc..910dade 100644
--- a/target/product/core.mk
+++ b/target/product/core.mk
@@ -19,79 +19,17 @@
 # devices (including non-phones and non-tablets), modify
 # core_minimal.mk instead.
 
-PRODUCT_PROPERTY_OVERRIDES := \
-    ro.config.notification_sound=OnTheHunt.ogg \
-    ro.config.alarm_alert=Alarm_Classic.ogg
-
 PRODUCT_PACKAGES += \
     BasicDreams \
     Browser \
     Contacts \
-    ContactsProvider \
-    DefaultContainerService \
-    Home \
+    DocumentsUI \
+    ExternalStorageProvider \
     KeyChain \
     PicoTts \
+    PacProcessor \
+    ProxyHandler \
     SharedStorageBackup \
-    TelephonyProvider \
-    UserDictionaryProvider \
-    VpnDialogs \
-    atrace \
-    libandroidfw \
-    libaudiopreprocessing \
-    libaudioutils \
-    libbcc \
-    libfilterpack_imageproc \
-    libgabi++ \
-    libkeystore \
-    libmdnssd \
-    libnfc_ndef \
-    libportable \
-    libpowermanager \
-    libspeexresampler \
-    libstagefright_chromium_http \
-    libstagefright_soft_aacdec \
-    libstagefright_soft_aacenc \
-    libstagefright_soft_amrdec \
-    libstagefright_soft_amrnbenc \
-    libstagefright_soft_amrwbenc \
-    libstagefright_soft_flacenc \
-    libstagefright_soft_g711dec \
-    libstagefright_soft_gsmdec \
-    libstagefright_soft_h264dec \
-    libstagefright_soft_h264enc \
-    libstagefright_soft_mp3dec \
-    libstagefright_soft_mpeg4dec \
-    libstagefright_soft_mpeg4enc \
-    libstagefright_soft_rawdec \
-    libstagefright_soft_vorbisdec \
-    libstagefright_soft_vpxdec \
-    libstagefright_soft_vpxenc \
-    libvariablespeed \
-    libwebrtc_audio_preprocessing \
-    mdnsd \
-    mms-common \
-    okhttp \
-    requestsync \
-    telephony-common \
-    voip-common
+    VpnDialogs
 
-# host-only dependencies
-ifeq ($(WITH_HOST_DALVIK),true)
-    PRODUCT_PACKAGES += \
-        apache-xml-hostdex \
-        bouncycastle-hostdex \
-        conscrypt-hostdex \
-        core-hostdex \
-        okhttp-hostdex \
-        libcrypto \
-        libexpat \
-        libicui18n \
-        libicuuc \
-        libjavacore \
-        libssl \
-        libz-host \
-        dalvik
-endif
-
-$(call inherit-product, $(SRC_TARGET_DIR)/product/core_minimal.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/core_base.mk)
diff --git a/target/product/core_base.mk b/target/product/core_base.mk
new file mode 100644
index 0000000..cde2b85
--- /dev/null
+++ b/target/product/core_base.mk
@@ -0,0 +1,71 @@
+#
+# Copyright (C) 2013 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.
+#
+# Note that components added here will be also shared in PDK. Components
+# that should not be in PDK should be added in lower level like core.mk.
+
+PRODUCT_PROPERTY_OVERRIDES := \
+    ro.config.notification_sound=OnTheHunt.ogg \
+    ro.config.alarm_alert=Alarm_Classic.ogg
+
+PRODUCT_PACKAGES += \
+    ContactsProvider \
+    DefaultContainerService \
+    Home \
+    TelephonyProvider \
+    UserDictionaryProvider \
+    atrace \
+    libandroidfw \
+    libaudiopreprocessing \
+    libaudioutils \
+    libbcc \
+    libfilterpack_imageproc \
+    libgabi++ \
+    libkeystore \
+    libmdnssd \
+    libnfc_ndef \
+    libportable \
+    libpowermanager \
+    libspeexresampler \
+    libstagefright_chromium_http \
+    libstagefright_soft_aacdec \
+    libstagefright_soft_aacenc \
+    libstagefright_soft_amrdec \
+    libstagefright_soft_amrnbenc \
+    libstagefright_soft_amrwbenc \
+    libstagefright_soft_flacenc \
+    libstagefright_soft_g711dec \
+    libstagefright_soft_gsmdec \
+    libstagefright_soft_h264dec \
+    libstagefright_soft_h264enc \
+    libstagefright_soft_mp3dec \
+    libstagefright_soft_mpeg4dec \
+    libstagefright_soft_mpeg4enc \
+    libstagefright_soft_rawdec \
+    libstagefright_soft_vorbisdec \
+    libstagefright_soft_vpxdec \
+    libstagefright_soft_vpxenc \
+    libvariablespeed \
+    libwebrtc_audio_preprocessing \
+    mdnsd \
+    mms-common \
+    requestsync \
+    screenrecord \
+    telephony-common \
+    voip-common
+
+$(call inherit-product, $(SRC_TARGET_DIR)/product/core_minimal.mk)
+# Override the PRODUCT_BOOT_JARS set in core_minimal.mk
+PRODUCT_BOOT_JARS := core:conscrypt:okhttp:core-junit:bouncycastle:ext:framework:framework2:telephony-common:voip-common:mms-common:android.policy:services:apache-xml:webviewchromium
diff --git a/target/product/core_minimal.mk b/target/product/core_minimal.mk
index 4c2cdfb..1915e3c 100644
--- a/target/product/core_minimal.mk
+++ b/target/product/core_minimal.mk
@@ -23,7 +23,6 @@
 PRODUCT_NAME := core
 
 PRODUCT_PACKAGES += \
-    ApplicationsProvider \
     BackupRestoreConfirmation \
     DownloadProvider \
     DownloadProviderUi \
@@ -32,26 +31,11 @@
     PackageInstaller \
     SettingsProvider \
     Shell \
-    apache-xml \
-    bouncycastle \
     bu \
-    cacerts \
     com.android.location.provider \
     com.android.location.provider.xml \
-    conscrypt \
-    core \
-    core-junit \
-    dalvikvm \
-    dexdeps \
-    dexdump \
-    dexlist \
-    dexopt \
-    dmtracedump \
     drmserver \
-    dx \
-    ext \
     framework-res \
-    hprof-conv \
     installd \
     ip \
     ip-up-vpn \
@@ -61,24 +45,22 @@
     keystore.default \
     libOpenMAXAL \
     libOpenSLES \
-    libcrypto \
     libdownmix \
-    libdvm \
     libdrmframework \
     libdrmframework_jni \
-    libexpat \
     libfilterfw \
-    libicui18n \
-    libicuuc \
-    libjavacore \
-    libnativehelper \
     libsqlite_jni \
-    libssl \
     libwilhelm \
-    libz \
     make_ext4fs \
     screencap \
     sensorservice \
     uiautomator
 
+PRODUCT_BOOT_JARS := core:conscrypt:okhttp:core-junit:bouncycastle:ext:framework:framework2:android.policy:services:apache-xml:webviewchromium
+
+PRODUCT_RUNTIMES := runtime_libdvm_default
+ifneq (,$(filter userdebug eng, $(TARGET_BUILD_VARIANT)))
+    PRODUCT_RUNTIMES += runtime_libart
+endif
+
 $(call inherit-product, $(SRC_TARGET_DIR)/product/base.mk)
diff --git a/target/product/embedded.mk b/target/product/embedded.mk
index 0830101..11e02ae 100644
--- a/target/product/embedded.mk
+++ b/target/product/embedded.mk
@@ -26,7 +26,10 @@
     dumpsys \
     gralloc.default \
     gzip \
+    healthd \
     init \
+    init.environ.rc \
+    init.rc \
     input \
     libEGL \
     libETC1 \
@@ -58,6 +61,7 @@
     linker \
     logcat \
     logwrapper \
+    reboot \
     service \
     servicemanager \
     surfaceflinger \
@@ -71,6 +75,9 @@
     property_contexts \
     mac_permissions.xml
 
+
 PRODUCT_COPY_FILES += \
     system/core/rootdir/init.usb.rc:root/init.usb.rc \
     system/core/rootdir/init.trace.rc:root/init.trace.rc \
+    system/core/rootdir/ueventd.rc:root/ueventd.rc \
+    system/core/rootdir/etc/hosts:system/etc/hosts
diff --git a/target/product/generic_no_telephony.mk b/target/product/generic_no_telephony.mk
index 2c71ed5..074a0a6 100644
--- a/target/product/generic_no_telephony.mk
+++ b/target/product/generic_no_telephony.mk
@@ -24,23 +24,26 @@
     Bluetooth \
     Calculator \
     Calendar \
+    Camera2 \
     CertInstaller \
-    DrmProvider \
     Email \
     Exchange2 \
     FusedLocation \
     Gallery2 \
     InputDevices \
+    Keyguard \
     LatinIME \
     Launcher2 \
     Music \
     MusicFX \
     OneTimeInitializer \
+    PrintSpooler \
     Provision \
-    Phone \
     QuickSearchBox \
     Settings \
     SystemUI \
+    TeleService \
+    Terminal \
     CalendarProvider \
     bluetooth-health \
     hostapd \
diff --git a/target/product/languages_full.mk b/target/product/languages_full.mk
index 9f6c9ca..4cddc06 100644
--- a/target/product/languages_full.mk
+++ b/target/product/languages_full.mk
@@ -21,4 +21,4 @@
 
 # These are all the locales that have translations and are displayable
 # by TextView in this branch.
-PRODUCT_LOCALES := en_US fr_FR it_IT es_ES de_DE nl_NL cs_CZ pl_PL ja_JP zh_TW zh_CN ru_RU ko_KR nb_NO es_US da_DK el_GR tr_TR pt_PT pt_BR rm_CH sv_SE bg_BG ca_ES en_GB fi_FI hi_IN hr_HR hu_HU in_ID iw_IL lt_LT lv_LV ro_RO sk_SK sl_SI sr_RS uk_UA vi_VN tl_PH ar_EG fa_IR th_TH sw_TZ ms_MY af_ZA zu_ZA am_ET hi_IN en_XA ar_XB fr_CA
+PRODUCT_LOCALES := en_US en_IN fr_FR it_IT es_ES et_EE de_DE nl_NL cs_CZ pl_PL ja_JP zh_TW zh_CN zh_HK ru_RU ko_KR nb_NO es_US da_DK el_GR tr_TR pt_PT pt_BR rm_CH sv_SE bg_BG ca_ES en_GB fi_FI hi_IN hr_HR hu_HU in_ID iw_IL lt_LT lv_LV ro_RO sk_SK sl_SI sr_RS uk_UA vi_VN tl_PH ar_EG fa_IR th_TH sw_TZ ms_MY af_ZA zu_ZA am_ET hi_IN en_XA ar_XB fr_CA km_KH lo_LA ne_NP si_LK mn_MN hy_AM az_AZ ka_GE
diff --git a/target/product/large_emu_hw.mk b/target/product/large_emu_hw.mk
index 8a070b1..a918c1d 100644
--- a/target/product/large_emu_hw.mk
+++ b/target/product/large_emu_hw.mk
@@ -26,7 +26,6 @@
     Calculator \
     Calendar \
     CertInstaller \
-    DrmProvider \
     Email \
     Exchange2 \
     Gallery2 \
diff --git a/target/product/mini.mk b/target/product/mini.mk
deleted file mode 100644
index c1074f7..0000000
--- a/target/product/mini.mk
+++ /dev/null
@@ -1,226 +0,0 @@
-# Copyright (C) 2012 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.
-
-# Common configurations for mini_XXX lunch targets
-# This is mainly for creating small system image during early development stage.
-
-PRODUCT_BRAND := mini
-PRODUCT_DEVICE := mini
-PRODUCT_NAME := mini
-
-# add all configurations
-PRODUCT_AAPT_CONFIG := normal ldpi mdpi hdpi xhdpi xxhdpi
-PRODUCT_AAPT_PREF_CONFIG := hdpi
-
-# en_US only
-PRODUCT_LOCALES := en_US
-
-# dummy definitions to use += in later parts
-PRODUCT_PROPERTY_OVERRIDES :=
-PRODUCT_COPY_FILES :=
-
-
-# for CtsVerifier
-PRODUCT_PACKAGES += \
-    com.android.future.usb.accessory
-
-# It does not mean that all features are supproted, but only for meeting
-# configuration requirements for some CTS
-PRODUCT_COPY_FILES += \
-    frameworks/native/data/etc/handheld_core_hardware.xml:system/etc/permissions/handheld_core_hardware.xml \
-    frameworks/native/data/etc/android.hardware.location.gps.xml:system/etc/permissions/android.hardware.location.gps.xml \
-    frameworks/native/data/etc/android.hardware.sensor.light.xml:system/etc/permissions/android.hardware.sensor.light.xml \
-    frameworks/native/data/etc/android.hardware.sensor.barometer.xml:system/etc/permissions/android.hardware.sensor.barometer.xml \
-    frameworks/native/data/etc/android.hardware.sensor.gyroscope.xml:system/etc/permissions/android.hardware.sensor.gyroscope.xml \
-    frameworks/native/data/etc/android.hardware.usb.accessory.xml:system/etc/permissions/android.hardware.usb.accessory.xml
-
-#----------------- originally from core.mk ----------------
-
-PRODUCT_PROPERTY_OVERRIDES += \
-    ro.config.notification_sound=OnTheHunt.ogg \
-    ro.config.alarm_alert=Alarm_Classic.ogg
-
-# Please keep this list sorted alphabetically
-PRODUCT_PACKAGES += \
-    ApplicationsProvider \
-    ContactsProvider \
-    DefaultContainerService \
-    DownloadProvider \
-    DownloadProviderUi \
-    MediaProvider \
-    PackageInstaller \
-    SettingsProvider \
-    Shell \
-    TelephonyProvider \
-    UserDictionaryProvider \
-    apache-xml \
-    audio \
-    bouncycastle \
-    bu \
-    cacerts \
-    com.android.location.provider \
-    com.android.location.provider.xml \
-    conscrypt \
-    core \
-    core-junit \
-    dalvikvm \
-    dexdeps \
-    dexdump \
-    dexlist \
-    dexopt \
-    dmtracedump \
-    drmserver \
-    dx \
-    ext \
-    framework-res \
-    hprof-conv \
-    installd \
-    ip \
-    ip-up-vpn \
-    ip6tables \
-    iptables \
-    keystore \
-    keystore.default \
-    libandroidfw \
-    libOpenMAXAL \
-    libOpenSLES \
-    libaudiopreprocessing \
-    libaudioutils \
-    libbcc \
-    libcrypto \
-    libdownmix \
-    libdvm \
-    libdrmframework \
-    libdrmframework_jni \
-    libexpat \
-    libfilterfw \
-    libfilterpack_imageproc \
-    libgabi++ \
-    libicui18n \
-    libicuuc \
-    libjavacore \
-    libkeystore \
-    libmdnssd \
-    libnativehelper \
-    libnfc_ndef \
-    libportable \
-    libpowermanager \
-    libspeexresampler \
-    libsqlite_jni \
-    libssl \
-    libstagefright \
-    libstagefright_chromium_http \
-    libstagefright_soft_aacdec \
-    libstagefright_soft_aacenc \
-    libstagefright_soft_amrdec \
-    libstagefright_soft_amrnbenc \
-    libstagefright_soft_amrwbenc \
-    libstagefright_soft_flacenc \
-    libstagefright_soft_g711dec \
-    libstagefright_soft_gsmdec \
-    libstagefright_soft_h264dec \
-    libstagefright_soft_h264enc \
-    libstagefright_soft_mp3dec \
-    libstagefright_soft_mpeg4dec \
-    libstagefright_soft_mpeg4enc \
-    libstagefright_soft_vorbisdec \
-    libstagefright_soft_vpxdec \
-    libstagefright_soft_rawdec \
-    libvariablespeed \
-    libwebrtc_audio_preprocessing \
-    libwilhelm \
-    libz \
-    mdnsd \
-    network \
-    okhttp \
-    pand \
-    requestsync \
-    screencap \
-    sdptool \
-    sensorservice \
-    lint \
-    telephony-common \
-    voip-common \
-    mms-common
-
-PRODUCT_COPY_FILES += \
-    system/core/rootdir/init.usb.rc:root/init.usb.rc \
-
-#----------------- originally from generic_no_telephony.mk ----------------
-
-PRODUCT_PACKAGES += \
-    Bluetooth \
-    FusedLocation \
-    InputDevices \
-    LatinIME \
-    Phone \
-    Provision \
-    hostapd \
-    wpa_supplicant.conf
-
-PRODUCT_PACKAGES += \
-    librs_jni \
-    libvideoeditor_jni \
-    libvideoeditor_core \
-    libvideoeditor_osal \
-    libvideoeditor_videofilters \
-    libvideoeditorplayer \
-
-PRODUCT_PACKAGES += \
-    audio.primary.default \
-    audio_policy.default \
-    local_time.default \
-    power.default
-
-PRODUCT_PACKAGES += \
-    local_time.default
-
-PRODUCT_COPY_FILES += \
-    frameworks/av/media/libeffects/data/audio_effects.conf:system/etc/audio_effects.conf
-
-PRODUCT_PROPERTY_OVERRIDES += \
-    ro.carrier=unknown
-
-#----------------- originally from full_base.mk ----------------
-
-PRODUCT_PACKAGES += \
-    drmserver \
-    libdrmframework \
-    libdrmframework_jni \
-    WAPPushManager
-
-
-# Additional settings used in all AOSP builds
-PRODUCT_PROPERTY_OVERRIDES += \
-    ro.com.android.dateformat=MM-dd-yyyy \
-    ro.config.ringtone=Ring_Synth_04.ogg \
-    ro.config.notification_sound=pixiedust.ogg
-
-$(call inherit-product, $(SRC_TARGET_DIR)/product/base.mk)
-$(call inherit-product-if-exists, frameworks/base/data/keyboards/keyboards.mk)
-$(call inherit-product-if-exists, frameworks/base/data/fonts/fonts.mk)
-$(call inherit-product-if-exists, frameworks/base/data/sounds/AudioPackage5.mk)
-
-#----------------- For PDK ------------------------------
-PRODUCT_PACKAGES += \
-    TestingCamera \
-    Home \
-    SystemUI \
-    Settings \
-    libsurfaceflinger_ddmconnection
-
-# This is not necessary for mini, but is for mini-emulator as it should
-# be included in platform.zip
-PRODUCT_PACKAGES += camera.goldfish.jpeg
-
diff --git a/target/product/runtime_common.mk b/target/product/runtime_common.mk
new file mode 100644
index 0000000..faa6fe8
--- /dev/null
+++ b/target/product/runtime_common.mk
@@ -0,0 +1,58 @@
+#
+# Copyright (C) 2013 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.
+#
+
+# Common runtime modules for both Dalvik and ART
+
+PRODUCT_PACKAGES += \
+    apache-xml \
+    bouncycastle \
+    cacerts \
+    conscrypt \
+    core-junit \
+    dalvikvm \
+    dexdeps \
+    dexdump \
+    dexlist \
+    dmtracedump \
+    dx \
+    ext \
+    hprof-conv \
+    libcrypto \
+    libexpat \
+    libicui18n \
+    libicuuc \
+    libjavacore \
+    libnativehelper \
+    libssl \
+    libz \
+    okhttp
+
+# host-only dependencies
+ifeq ($(WITH_HOST_DALVIK),true)
+    PRODUCT_PACKAGES += \
+        apache-xml-hostdex \
+        bouncycastle-hostdex \
+        conscrypt-hostdex \
+        dalvik \
+        libcrypto-host \
+        libexpat-host \
+        libicui18n-host \
+        libicuuc-host \
+        libjavacore \
+        libssl-host \
+        libz-host \
+        okhttp-hostdex
+endif
diff --git a/target/product/runtime_libart.mk b/target/product/runtime_libart.mk
new file mode 100644
index 0000000..b127dad
--- /dev/null
+++ b/target/product/runtime_libart.mk
@@ -0,0 +1,30 @@
+#
+# Copyright (C) 2013 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# Provides a functioning ART environment without Android frameworks
+
+PRODUCT_PACKAGES += \
+        core-libart \
+        libart \
+        dex2oat
+
+# host-only dependencies
+ifeq ($(WITH_HOST_DALVIK),true)
+    PRODUCT_PACKAGES += \
+        core-libart-hostdex
+endif
+
+include $(SRC_TARGET_DIR)/product/runtime_common.mk
diff --git a/target/product/runtime_libart_default.mk b/target/product/runtime_libart_default.mk
new file mode 100644
index 0000000..575ca04
--- /dev/null
+++ b/target/product/runtime_libart_default.mk
@@ -0,0 +1,22 @@
+#
+# Copyright (C) 2013 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.
+#
+
+# Set ART as the default runtime environment
+
+PRODUCT_PROPERTY_OVERRIDES += \
+    persist.sys.dalvik.vm.lib=libart.so
+
+include $(SRC_TARGET_DIR)/product/runtime_libart.mk
diff --git a/target/product/runtime_libdvm.mk b/target/product/runtime_libdvm.mk
new file mode 100644
index 0000000..e7647b8
--- /dev/null
+++ b/target/product/runtime_libdvm.mk
@@ -0,0 +1,30 @@
+#
+# Copyright (C) 2013 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# Provides a functioning Dalvik environment without Android frameworks
+
+PRODUCT_PACKAGES += \
+    core \
+    libdvm \
+    dexopt
+
+# host-only dependencies
+ifeq ($(WITH_HOST_DALVIK),true)
+    PRODUCT_PACKAGES += \
+        core-hostdex
+endif
+
+include $(SRC_TARGET_DIR)/product/runtime_common.mk
diff --git a/target/product/runtime_libdvm_default.mk b/target/product/runtime_libdvm_default.mk
new file mode 100644
index 0000000..3ae4130
--- /dev/null
+++ b/target/product/runtime_libdvm_default.mk
@@ -0,0 +1,22 @@
+#
+# Copyright (C) 2013 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.
+#
+
+# Set Dalvik as the default runtime environment
+
+PRODUCT_PROPERTY_OVERRIDES += \
+    persist.sys.dalvik.vm.lib=libdvm.so
+
+include $(SRC_TARGET_DIR)/product/runtime_libdvm.mk
diff --git a/target/product/sdk.mk b/target/product/sdk.mk
index 51b90f5..b3640a9 100644
--- a/target/product/sdk.mk
+++ b/target/product/sdk.mk
@@ -24,9 +24,11 @@
 	Exchange2 \
 	FusedLocation \
 	Gallery \
+	Keyguard \
 	Music \
 	Mms \
 	OpenWnn \
+	PrintSpooler \
 	libWnnEngDic \
 	libWnnJpnDic \
 	libwnndict \
@@ -38,7 +40,6 @@
 	Launcher2 \
 	Development \
 	DevelopmentSettings \
-	DrmProvider \
 	Fallback \
 	Settings \
 	SdkSetup \
diff --git a/tools/Android.mk b/tools/Android.mk
index f646c37..30febd6 100644
--- a/tools/Android.mk
+++ b/tools/Android.mk
@@ -14,10 +14,10 @@
 # limitations under the License.
 #
 
-ifeq (,$(TARGET_BUILD_APPS))
-
 LOCAL_PATH := $(call my-dir)
 
+ifeq (,$(TARGET_BUILD_APPS))
+
 ifeq ($(TARGET_BUILD_PDK),true)
 include $(filter-out %/acp/Android.mk %/signapk/Android.mk %/zipalign/Android.mk,\
   $(call all-makefiles-under,$(LOCAL_PATH)))
@@ -25,4 +25,8 @@
 include $(call all-makefiles-under,$(LOCAL_PATH))
 endif # PDK
 
+else # TARGET_BUILD_APPS
+
+include $(LOCAL_PATH)/apicheck/Android.mk
+
 endif
diff --git a/tools/droiddoc/templates-pdk/components/masthead.cs b/tools/droiddoc/templates-pdk/components/masthead.cs
index e11c63c..a581618 100644
--- a/tools/droiddoc/templates-pdk/components/masthead.cs
+++ b/tools/droiddoc/templates-pdk/components/masthead.cs
@@ -2,7 +2,7 @@
 def:custom_masthead() ?>
   <div id="header">
       <div id="headerLeft">
-          <a href="<?cs var:toroot?>" tabindex="-1"><img
+          <a href="<?cs var:toroot ?>guide/getting_started.html"><img
               src="<?cs var:toroot ?>assets/images/open_source.png" alt="Android Open Source Project" /></a>
        
       </div>
@@ -16,4 +16,4 @@
           </div>
       </div><!-- headerRight -->
   </div><!-- header --><?cs 
-/def ?><?cs # custom_masthead ?>
\ No newline at end of file
+/def ?><?cs # custom_masthead ?>
diff --git a/tools/releasetools/edify_generator.py b/tools/releasetools/edify_generator.py
index 5672b5a..9ef1926 100644
--- a/tools/releasetools/edify_generator.py
+++ b/tools/releasetools/edify_generator.py
@@ -72,24 +72,31 @@
     """Assert that the current system build fingerprint is one of *fp."""
     if not fp:
       raise ValueError("must specify some fingerprints")
-    cmd = ('assert(' +
-           ' ||\0'.join([('file_getprop("/system/build.prop", '
+    cmd = (
+           ' ||\n    '.join([('file_getprop("/system/build.prop", '
                          '"ro.build.fingerprint") == "%s"')
                         % i for i in fp]) +
-           ');')
-    self.script.append(self._WordWrap(cmd))
+           ' ||\n    abort("Package expects build fingerprint of %s; this '
+           'device has " + getprop("ro.build.fingerprint") + ".");'
+           ) % (" or ".join(fp),)
+    self.script.append(cmd)
 
-  def AssertOlderBuild(self, timestamp):
+  def AssertOlderBuild(self, timestamp, timestamp_text):
     """Assert that the build on the device is older (or the same as)
     the given timestamp."""
-    self.script.append(('assert(!less_than_int(%s, '
-                        'getprop("ro.build.date.utc")));') % (timestamp,))
+    self.script.append(
+        ('(!less_than_int(%s, getprop("ro.build.date.utc"))) || '
+         'abort("Can\'t install this package (%s) over newer '
+         'build (" + getprop("ro.build.date") + ").");'
+         ) % (timestamp, timestamp_text))
 
   def AssertDevice(self, device):
     """Assert that the device identifier is the given string."""
-    cmd = ('assert(getprop("ro.product.device") == "%s" ||\0'
-           'getprop("ro.build.product") == "%s");' % (device, device))
-    self.script.append(self._WordWrap(cmd))
+    cmd = ('getprop("ro.product.device") == "%s" || '
+           'abort("This package is for \\"%s\\" devices; '
+           'this is a \\"" + getprop("ro.product.device") + "\\".");'
+           ) % (device, device)
+    self.script.append(cmd)
 
   def AssertSomeBootloader(self, *bootloaders):
     """Asert that the bootloader version is one of *bootloaders."""
@@ -115,9 +122,10 @@
     """Check that the given file (or MTD reference) has one of the
     given *sha1 hashes, checking the version saved in cache if the
     file does not match."""
-    self.script.append('assert(apply_patch_check("%s"' % (filename,) +
-                       "".join([', "%s"' % (i,) for i in sha1]) +
-                       '));')
+    self.script.append(
+        'apply_patch_check("%s"' % (filename,) +
+        "".join([', "%s"' % (i,) for i in sha1]) +
+        ') || abort("\\"%s\\" has unexpected contents.");' % (filename,))
 
   def FileCheck(self, filename, *sha1):
     """Check that the given file (or MTD reference) has one of the
@@ -129,7 +137,8 @@
   def CacheFreeSpaceCheck(self, amount):
     """Check that there's at least 'amount' space that can be made
     available on /cache."""
-    self.script.append("assert(apply_patch_space(%d));" % (amount,))
+    self.script.append(('apply_patch_space(%d) || abort("Not enough free space '
+                        'on /system to apply patches.");') % (amount,))
 
   def Mount(self, mount_point):
     """Mount the partition with the given mount_point."""
diff --git a/tools/releasetools/ota_from_target_files b/tools/releasetools/ota_from_target_files
index e0d5d91..1e1d04e 100755
--- a/tools/releasetools/ota_from_target_files
+++ b/tools/releasetools/ota_from_target_files
@@ -387,7 +387,8 @@
 
   if not OPTIONS.omit_prereq:
     ts = GetBuildProp("ro.build.date.utc", OPTIONS.info_dict)
-    script.AssertOlderBuild(ts)
+    ts_text = GetBuildProp("ro.build.date", OPTIONS.info_dict)
+    script.AssertOlderBuild(ts, ts_text)
 
   AppendAssertions(script, OPTIONS.info_dict)
   device_specific.FullOTA_Assertions()
diff --git a/tools/releasetools/sign_target_files_apks b/tools/releasetools/sign_target_files_apks
index 9fb1008..5556573 100755
--- a/tools/releasetools/sign_target_files_apks
+++ b/tools/releasetools/sign_target_files_apks
@@ -196,6 +196,11 @@
         value = " ".join(pieces)
       elif key == "ro.build.tags":
         value = EditTags(value)
+      elif key == "ro.build.display.id":
+        # change, eg, "JWR66N dev-keys" to "JWR66N"
+        value = value.split()
+        if len(value) == 2 and value[1].endswith("-keys"):
+          value = value[0]
       line = key + "=" + value
     if line != original_line:
       print "  replace: ", original_line
diff --git a/tools/signapk/SignApk.java b/tools/signapk/SignApk.java
index adfe9a3..716ea3b 100644
--- a/tools/signapk/SignApk.java
+++ b/tools/signapk/SignApk.java
@@ -78,8 +78,26 @@
 import javax.crypto.spec.PBEKeySpec;
 
 /**
- * Command line tool to sign JAR files (including APKs and OTA updates) in
- * a way compatible with the mincrypt verifier, using SHA1 and RSA keys.
+ * HISTORICAL NOTE:
+ *
+ * Prior to the keylimepie release, SignApk ignored the signature
+ * algorithm specified in the certificate and always used SHA1withRSA.
+ *
+ * Starting with keylimepie, we support SHA256withRSA, and use the
+ * signature algorithm in the certificate to select which to use
+ * (SHA256withRSA or SHA1withRSA).
+ *
+ * Because there are old keys still in use whose certificate actually
+ * says "MD5withRSA", we treat these as though they say "SHA1withRSA"
+ * for compatibility with older releases.  This can be changed by
+ * altering the getAlgorithm() function below.
+ */
+
+
+/**
+ * Command line tool to sign JAR files (including APKs and OTA
+ * updates) in a way compatible with the mincrypt verifier, using RSA
+ * keys and SHA1 or SHA-256.
  */
 class SignApk {
     private static final String CERT_SF_NAME = "META-INF/CERT.SF";
@@ -91,6 +109,27 @@
 
     private static Provider sBouncyCastleProvider;
 
+    // bitmasks for which hash algorithms we need the manifest to include.
+    private static final int USE_SHA1 = 1;
+    private static final int USE_SHA256 = 2;
+
+    /**
+     * Return one of USE_SHA1 or USE_SHA256 according to the signature
+     * algorithm specified in the cert.
+     */
+    private static int getAlgorithm(X509Certificate cert) {
+        String sigAlg = cert.getSigAlgName();
+        if ("SHA1withRSA".equals(sigAlg) ||
+            "MD5withRSA".equals(sigAlg)) {     // see "HISTORICAL NOTE" above.
+            return USE_SHA1;
+        } else if ("SHA256withRSA".equals(sigAlg)) {
+            return USE_SHA256;
+        } else {
+            throw new IllegalArgumentException("unsupported signature algorithm \"" + sigAlg +
+                                               "\" in cert [" + cert.getSubjectDN());
+        }
+    }
+
     // Files matching this pattern are not copied to the output.
     private static Pattern stripPattern =
         Pattern.compile("^(META-INF/((.*)[.](SF|RSA|DSA)|com/android/otacert))|(" +
@@ -182,8 +221,11 @@
         }
     }
 
-    /** Add the SHA1 of every file to the manifest, creating it if necessary. */
-    private static Manifest addDigestsToManifest(JarFile jar)
+    /**
+     * Add the hash(es) of every file to the manifest, creating it if
+     * necessary.
+     */
+    private static Manifest addDigestsToManifest(JarFile jar, int hashes)
         throws IOException, GeneralSecurityException {
         Manifest input = jar.getManifest();
         Manifest output = new Manifest();
@@ -195,7 +237,15 @@
             main.putValue("Created-By", "1.0 (Android SignApk)");
         }
 
-        MessageDigest md = MessageDigest.getInstance("SHA1");
+        MessageDigest md_sha1 = null;
+        MessageDigest md_sha256 = null;
+        if ((hashes & USE_SHA1) != 0) {
+            md_sha1 = MessageDigest.getInstance("SHA1");
+        }
+        if ((hashes & USE_SHA256) != 0) {
+            md_sha256 = MessageDigest.getInstance("SHA256");
+        }
+
         byte[] buffer = new byte[4096];
         int num;
 
@@ -216,14 +266,21 @@
                 (stripPattern == null || !stripPattern.matcher(name).matches())) {
                 InputStream data = jar.getInputStream(entry);
                 while ((num = data.read(buffer)) > 0) {
-                    md.update(buffer, 0, num);
+                    if (md_sha1 != null) md_sha1.update(buffer, 0, num);
+                    if (md_sha256 != null) md_sha256.update(buffer, 0, num);
                 }
 
                 Attributes attr = null;
                 if (input != null) attr = input.getAttributes(name);
                 attr = attr != null ? new Attributes(attr) : new Attributes();
-                attr.putValue("SHA1-Digest",
-                              new String(Base64.encode(md.digest()), "ASCII"));
+                if (md_sha1 != null) {
+                    attr.putValue("SHA1-Digest",
+                                  new String(Base64.encode(md_sha1.digest()), "ASCII"));
+                }
+                if (md_sha256 != null) {
+                    attr.putValue("SHA-256-Digest",
+                                  new String(Base64.encode(md_sha256.digest()), "ASCII"));
+                }
                 output.getEntries().put(name, attr);
             }
         }
@@ -241,9 +298,10 @@
     private static void addOtacert(JarOutputStream outputJar,
                                    File publicKeyFile,
                                    long timestamp,
-                                   Manifest manifest)
+                                   Manifest manifest,
+                                   int hash)
         throws IOException, GeneralSecurityException {
-        MessageDigest md = MessageDigest.getInstance("SHA1");
+        MessageDigest md = MessageDigest.getInstance(hash == USE_SHA1 ? "SHA1" : "SHA256");
 
         JarEntry je = new JarEntry(OTACERT_NAME);
         je.setTime(timestamp);
@@ -258,7 +316,7 @@
         input.close();
 
         Attributes attr = new Attributes();
-        attr.putValue("SHA1-Digest",
+        attr.putValue(hash == USE_SHA1 ? "SHA1-Digest" : "SHA-256-Digest",
                       new String(Base64.encode(md.digest()), "ASCII"));
         manifest.getEntries().put(OTACERT_NAME, attr);
     }
@@ -293,14 +351,16 @@
     }
 
     /** Write a .SF file with a digest of the specified manifest. */
-    private static void writeSignatureFile(Manifest manifest, OutputStream out)
+    private static void writeSignatureFile(Manifest manifest, OutputStream out,
+                                           int hash)
         throws IOException, GeneralSecurityException {
         Manifest sf = new Manifest();
         Attributes main = sf.getMainAttributes();
         main.putValue("Signature-Version", "1.0");
         main.putValue("Created-By", "1.0 (Android SignApk)");
 
-        MessageDigest md = MessageDigest.getInstance("SHA1");
+        MessageDigest md = MessageDigest.getInstance(
+            hash == USE_SHA256 ? "SHA256" : "SHA1");
         PrintStream print = new PrintStream(
             new DigestOutputStream(new ByteArrayOutputStream(), md),
             true, "UTF-8");
@@ -308,7 +368,7 @@
         // Digest of the entire manifest
         manifest.write(print);
         print.flush();
-        main.putValue("SHA1-Digest-Manifest",
+        main.putValue(hash == USE_SHA256 ? "SHA-256-Digest-Manifest" : "SHA1-Digest-Manifest",
                       new String(Base64.encode(md.digest()), "ASCII"));
 
         Map<String, Attributes> entries = manifest.getEntries();
@@ -322,7 +382,7 @@
             print.flush();
 
             Attributes sfAttr = new Attributes();
-            sfAttr.putValue("SHA1-Digest",
+            sfAttr.putValue(hash == USE_SHA256 ? "SHA-256-Digest" : "SHA1-Digest-Manifest",
                             new String(Base64.encode(md.digest()), "ASCII"));
             sf.getEntries().put(entry.getKey(), sfAttr);
         }
@@ -353,7 +413,8 @@
         JcaCertStore certs = new JcaCertStore(certList);
 
         CMSSignedDataGenerator gen = new CMSSignedDataGenerator();
-        ContentSigner sha1Signer = new JcaContentSignerBuilder("SHA1withRSA")
+        ContentSigner signer = new JcaContentSignerBuilder(
+            getAlgorithm(publicKey) == USE_SHA256 ? "SHA256withRSA" : "SHA1withRSA")
             .setProvider(sBouncyCastleProvider)
             .build(privateKey);
         gen.addSignerInfoGenerator(
@@ -362,7 +423,7 @@
                 .setProvider(sBouncyCastleProvider)
                 .build())
             .setDirectSignature(true)
-            .build(sha1Signer, publicKey));
+            .build(signer, publicKey));
         gen.addCertificates(certs);
         CMSSignedData sigData = gen.generate(data, false);
 
@@ -499,14 +560,19 @@
                 signer = new WholeFileSignerOutputStream(out, outputStream);
                 JarOutputStream outputJar = new JarOutputStream(signer);
 
-                Manifest manifest = addDigestsToManifest(inputJar);
+                int hash = getAlgorithm(publicKey);
+
+                // Assume the certificate is valid for at least an hour.
+                long timestamp = publicKey.getNotBefore().getTime() + 3600L * 1000;
+
+                Manifest manifest = addDigestsToManifest(inputJar, hash);
+                copyFiles(manifest, inputJar, outputJar, timestamp);
+                addOtacert(outputJar, publicKeyFile, timestamp, manifest, hash);
+
                 signFile(manifest, inputJar,
                          new X509Certificate[]{ publicKey },
                          new PrivateKey[]{ privateKey },
                          outputJar);
-                // Assume the certificate is valid for at least an hour.
-                long timestamp = publicKey.getNotBefore().getTime() + 3600L * 1000;
-                addOtacert(outputJar, publicKeyFile, timestamp, manifest);
 
                 signer.notifyClosing();
                 outputJar.close();
@@ -605,13 +671,8 @@
         // Assume the certificate is valid for at least an hour.
         long timestamp = publicKey[0].getNotBefore().getTime() + 3600L * 1000;
 
-        JarEntry je;
-
-        // Everything else
-        copyFiles(manifest, inputJar, outputJar, timestamp);
-
         // MANIFEST.MF
-        je = new JarEntry(JarFile.MANIFEST_NAME);
+        JarEntry je = new JarEntry(JarFile.MANIFEST_NAME);
         je.setTime(timestamp);
         outputJar.putNextEntry(je);
         manifest.write(outputJar);
@@ -624,7 +685,7 @@
             je.setTime(timestamp);
             outputJar.putNextEntry(je);
             ByteArrayOutputStream baos = new ByteArrayOutputStream();
-            writeSignatureFile(manifest, baos);
+            writeSignatureFile(manifest, baos, getAlgorithm(publicKey[k]));
             byte[] signedData = baos.toByteArray();
             outputJar.write(signedData);
 
@@ -671,14 +732,21 @@
 
         JarFile inputJar = null;
         FileOutputStream outputFile = null;
+        int hashes = 0;
 
         try {
             File firstPublicKeyFile = new File(args[argstart+0]);
 
             X509Certificate[] publicKey = new X509Certificate[numKeys];
-            for (int i = 0; i < numKeys; ++i) {
-                int argNum = argstart + i*2;
-                publicKey[i] = readPublicKey(new File(args[argNum]));
+            try {
+                for (int i = 0; i < numKeys; ++i) {
+                    int argNum = argstart + i*2;
+                    publicKey[i] = readPublicKey(new File(args[argNum]));
+                    hashes |= getAlgorithm(publicKey[i]);
+                }
+            } catch (IllegalArgumentException e) {
+                System.err.println(e);
+                System.exit(1);
             }
 
             // Set the ZIP file timestamp to the starting valid time
@@ -710,8 +778,9 @@
                 // (~0.1% on full OTA packages I tested).
                 outputJar.setLevel(9);
 
-                signFile(addDigestsToManifest(inputJar), inputJar,
-                         publicKey, privateKey, outputJar);
+                Manifest manifest = addDigestsToManifest(inputJar, hashes);
+                copyFiles(manifest, inputJar, outputJar, timestamp);
+                signFile(manifest, inputJar, publicKey, privateKey, outputJar);
                 outputJar.close();
             }
         } catch (Exception e) {
diff --git a/tools/zipalign/Android.mk b/tools/zipalign/Android.mk
index 5542280..708c8bf 100644
--- a/tools/zipalign/Android.mk
+++ b/tools/zipalign/Android.mk
@@ -15,6 +15,7 @@
 LOCAL_C_INCLUDES += external/zlib
 
 LOCAL_STATIC_LIBRARIES := \
+	libandroidfw \
 	libutils \
 	libcutils \
 	liblog
diff --git a/tools/zipalign/ZipFile.cpp b/tools/zipalign/ZipFile.cpp
index 3994c31..8057068 100644
--- a/tools/zipalign/ZipFile.cpp
+++ b/tools/zipalign/ZipFile.cpp
@@ -20,8 +20,8 @@
 
 #define LOG_TAG "zip"
 
+#include <androidfw/ZipUtils.h>
 #include <utils/Log.h>
-#include <utils/ZipUtils.h>
 
 #include "ZipFile.h"