diff --git a/core/Makefile b/core/Makefile
index 6676bee..e86831b 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1344,6 +1344,8 @@
   $(HOST_LIBRARY_PATH)/libcutils$(HOST_SHLIB_SUFFIX) \
   $(HOST_LIBRARY_PATH)/libselinux$(HOST_SHLIB_SUFFIX) \
   $(HOST_LIBRARY_PATH)/libcrypto-host$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libdivsufsort$(HOST_SHLIB_SUFFIX) \
+  $(HOST_LIBRARY_PATH)/libdivsufsort64$(HOST_SHLIB_SUFFIX) \
   $(HOST_LIBRARY_PATH)/libext2fs_host$(HOST_SHLIB_SUFFIX) \
   $(HOST_LIBRARY_PATH)/libext2_blkid_host$(HOST_SHLIB_SUFFIX) \
   $(HOST_LIBRARY_PATH)/libext2_com_err_host$(HOST_SHLIB_SUFFIX) \
@@ -1563,8 +1565,12 @@
 	$(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH MKBOOTIMG=$(MKBOOTIMG) \
 	    ./build/tools/releasetools/make_recovery_patch $(zip_root) $(zip_root)
 endif
+ifeq ($(AB_OTA_UPDATER),true)
+	@# When using the A/B updater, include the updater config files in the zip.
+	$(hide) $(ACP) $(TOPDIR)system/update_engine/update_engine.conf $(zip_root)/META/update_engine_config.txt
+endif
 ifeq ($(BREAKPAD_GENERATE_SYMBOLS),true)
-	# If breakpad symbols have been generated, add them to the zip.
+	@# If breakpad symbols have been generated, add them to the zip.
 	$(hide) $(ACP) -r $(TARGET_OUT_BREAKPAD) $(zip_root)/BREAKPAD
 endif
 	@# Zip everything up, preserving symlinks
diff --git a/core/base_rules.mk b/core/base_rules.mk
index 21b59a3..a0a3582 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -56,6 +56,16 @@
   my_module_tags :=
 endif
 
+ifdef BUILDING_WITH_NINJA
+# Ninja has an implicit dependency on the command being run, and kati will
+# regenerate the ninja manifest if any read makefile changes, so there is no
+# need to have dependencies on makefiles.
+# This won't catch all the cases where LOCAL_ADDITIONAL_DEPENDENCIES contains
+# a .mk file, because a few users of LOCAL_ADDITIONAL_DEPENDENCIES don't include
+# base_rules.mk, but it will fix the most common ones.
+LOCAL_ADDITIONAL_DEPENDENCIES := $(filter-out %.mk,$(LOCAL_ADDITIONAL_DEPENDENCIES))
+endif
+
 ###########################################################
 ## Validate and define fallbacks for input LOCAL_* variables.
 ###########################################################
diff --git a/core/binary.mk b/core/binary.mk
index 403cff5..22e3c26 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -52,7 +52,7 @@
 my_c_includes := $(LOCAL_C_INCLUDES)
 my_generated_sources := $(LOCAL_GENERATED_SOURCES)
 my_native_coverage := $(LOCAL_NATIVE_COVERAGE)
-my_additional_dependencies := $(LOCAL_MODULE_MAKEFILE) $(LOCAL_ADDITIONAL_DEPENDENCIES)
+my_additional_dependencies := $(LOCAL_MODULE_MAKEFILE_DEP) $(LOCAL_ADDITIONAL_DEPENDENCIES)
 my_export_c_include_dirs := $(LOCAL_EXPORT_C_INCLUDE_DIRS)
 
 ifdef LOCAL_IS_HOST_MODULE
@@ -230,7 +230,11 @@
 b_lib :=
 endif
 
-my_linker := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LINKER)
+ifneq ($(strip $(CUSTOM_$(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)LINKER)),)
+  my_linker := $(CUSTOM_$(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)LINKER)
+else
+  my_linker := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LINKER)
+endif
 
 include $(BUILD_SYSTEM)/config_sanitizers.mk
 
@@ -1029,7 +1033,7 @@
     $(foreach l, $(my_static_libraries) $(my_whole_static_libraries), \
       $(call intermediates-dir-for,STATIC_LIBRARIES,$(l),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX),$(my_host_cross))/export_includes))
 $(import_includes): PRIVATE_IMPORT_EXPORT_INCLUDES := $(import_includes_deps)
-$(import_includes) : $(LOCAL_MODULE_MAKEFILE) $(import_includes_deps)
+$(import_includes) : $(LOCAL_MODULE_MAKEFILE_DEP) $(import_includes_deps)
 	@echo Import includes file: $@
 	$(hide) mkdir -p $(dir $@) && rm -f $@
 ifdef import_includes_deps
@@ -1237,7 +1241,7 @@
 export_includes := $(intermediates)/export_includes
 $(export_includes): PRIVATE_EXPORT_C_INCLUDE_DIRS := $(my_export_c_include_dirs)
 # Make sure .pb.h are already generated before any dependent source files get compiled.
-$(export_includes) : $(LOCAL_MODULE_MAKEFILE) $(proto_generated_headers) $(dbus_generated_headers)
+$(export_includes) : $(LOCAL_MODULE_MAKEFILE_DEP) $(proto_generated_headers) $(dbus_generated_headers)
 	@echo Export includes file: $< -- $@
 	$(hide) mkdir -p $(dir $@) && rm -f $@
 ifdef my_export_c_include_dirs
diff --git a/core/config.mk b/core/config.mk
index 0a01f41..0b1c020 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -708,7 +708,7 @@
 # Set up RS prebuilt variables for compatibility library
 
 RS_PREBUILT_CLCORE := prebuilts/sdk/renderscript/lib/$(TARGET_ARCH)/librsrt_$(TARGET_ARCH).bc
-RS_PREBUILT_LIBPATH := -L prebuilts/ndk/8/platforms/android-9/arch-$(TARGET_ARCH)/usr/lib
+RS_PREBUILT_LIBPATH := -L prebuilts/ndk/current/platforms/android-9/arch-$(TARGET_ARCH)/usr/lib
 RS_PREBUILT_COMPILER_RT := prebuilts/sdk/renderscript/lib/$(TARGET_ARCH)/libcompiler_rt.a
 
 # API Level lists for Renderscript Compat lib.
diff --git a/core/definitions.mk b/core/definitions.mk
index af3929e..f0abffb 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -132,6 +132,7 @@
 define my-dir
 $(strip \
   $(eval LOCAL_MODULE_MAKEFILE := $$(lastword $$(MAKEFILE_LIST))) \
+  $(eval LOCAL_MODULE_MAKEFILE_DEP := $(if $(BUILDING_WITH_NINJA),,$$(LOCAL_MODULE_MAKEFILE))) \
   $(if $(filter $(BUILD_SYSTEM)/% $(OUT_DIR)/%,$(LOCAL_MODULE_MAKEFILE)), \
     $(error my-dir must be called before including any other makefile.) \
    , \
@@ -225,6 +226,29 @@
 endef
 
 ###########################################################
+## Find all of the cpp files under the named directories.
+## LOCAL_CPP_EXTENSION is respected if set.
+## Meant to be used like:
+##    SRC_FILES := $(call all-cpp-files-under,src tests)
+###########################################################
+
+define all-cpp-files-under
+$(sort $(patsubst ./%,%, \
+  $(shell cd $(LOCAL_PATH) ; \
+          find -L $(1) -name "*$(or $(LOCAL_CPP_EXTENSION),.cpp)" -and -not -name ".*") \
+ ))
+endef
+
+###########################################################
+## Find all of the cpp files from here.  Meant to be used like:
+##    SRC_FILES := $(call all-subdir-cpp-files)
+###########################################################
+
+define all-subdir-cpp-files
+$(call all-cpp-files-under,.)
+endef
+
+###########################################################
 ## Find all files named "I*.aidl" under the named directories,
 ## which must be relative to $(LOCAL_PATH).  The returned list
 ## is relative to $(LOCAL_PATH).
@@ -391,7 +415,7 @@
 
 define find-parent-file
 $(strip \
-  $(eval _fpf := $(wildcard $(foreach f, $(2), $(strip $(1))/$(f)))) \
+  $(eval _fpf := $(sort $(wildcard $(foreach f, $(2), $(strip $(1))/$(f))))) \
   $(if $(_fpf),$(_fpf), \
        $(if $(filter-out ./ .,$(1)), \
              $(call find-parent-file,$(patsubst %/,%,$(dir $(1))),$(2)) \
@@ -1290,7 +1314,6 @@
 
 # $(1): the full path of the source static library.
 define _extract-and-include-single-target-whole-static-lib
-@echo "preparing StaticLib: $(PRIVATE_MODULE) [including $(strip $(1))]"
 $(hide) ldir=$(PRIVATE_INTERMEDIATES_DIR)/WHOLE/$(basename $(notdir $(1)))_objs;\
     rm -rf $$ldir; \
     mkdir -p $$ldir; \
@@ -1318,7 +1341,6 @@
 # $(1): the full path of the source static library.
 define extract-and-include-whole-static-libs-first
 $(if $(strip $(1)),
-@echo "preparing StaticLib: $(PRIVATE_MODULE) [including $(strip $(1))]"
 $(hide) cp $(1) $@)
 endef
 
@@ -1346,7 +1368,6 @@
 
 # $(1): the full path of the source static library.
 define _extract-and-include-single-host-whole-static-lib
-@echo "preparing StaticLib: $(PRIVATE_MODULE) [including $(strip $(1))]"
 $(hide) ldir=$(PRIVATE_INTERMEDIATES_DIR)/WHOLE/$(basename $(notdir $(1)))_objs;\
     rm -rf $$ldir; \
     mkdir -p $$ldir; \
@@ -2044,7 +2065,7 @@
 $(foreach abi,$(PRIVATE_JNI_SHARED_LIBRARIES_ABI),\
   $(call _add-jni-shared-libs-to-package-per-abi,$(abi),\
     $(patsubst $(abi):%,%,$(filter $(abi):%,$(PRIVATE_JNI_SHARED_LIBRARIES)))))
-$(hide) (cd $(dir $@) && zip -r \
+$(hide) (cd $(dir $@) && zip -qr \
     $(if $(filter true, $(PRIVATE_PAGE_ALIGN_JNI_SHARED_LIBRARIES)),-0,) $(notdir $@) lib)
 $(hide) rm -rf $(dir $@)lib
 endef
diff --git a/core/droiddoc.mk b/core/droiddoc.mk
index 893461a..cc2a915 100644
--- a/core/droiddoc.mk
+++ b/core/droiddoc.mk
@@ -125,7 +125,7 @@
 ##
 
 droiddoc_templates := \
-    $(shell find $(LOCAL_DROIDDOC_CUSTOM_TEMPLATE_DIR) -type f)
+    $(sort $(shell find $(LOCAL_DROIDDOC_CUSTOM_TEMPLATE_DIR) -type f))
 
 droiddoc := \
 	$(HOST_JDK_TOOLS_JAR) \
@@ -142,7 +142,7 @@
 html_dir_files :=
 ifneq ($(strip $(LOCAL_DROIDDOC_HTML_DIR)),)
 $(full_target): PRIVATE_DROIDDOC_HTML_DIR := -htmldir $(LOCAL_PATH)/$(LOCAL_DROIDDOC_HTML_DIR)
-html_dir_files := $(shell find $(LOCAL_PATH)/$(LOCAL_DROIDDOC_HTML_DIR) -type f)
+html_dir_files := $(sort $(shell find $(LOCAL_PATH)/$(LOCAL_DROIDDOC_HTML_DIR) -type f))
 else
 $(full_target): PRIVATE_DROIDDOC_HTML_DIR :=
 endif
@@ -161,7 +161,7 @@
         $(droiddoc) \
         $(html_dir_files) \
         $(full_java_lib_deps) \
-        $(LOCAL_MODULE_MAKEFILE) \
+        $(LOCAL_MODULE_MAKEFILE_DEP) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	@echo Docs droiddoc: $(PRIVATE_OUT_DIR)
 	$(hide) mkdir -p $(dir $@)
diff --git a/core/envsetup.mk b/core/envsetup.mk
index 2899d80..772b294 100644
--- a/core/envsetup.mk
+++ b/core/envsetup.mk
@@ -134,11 +134,11 @@
 # make sure only one exists.
 # Real boards should always be associated with an OEM vendor.
 board_config_mk := \
-	$(strip $(wildcard \
+	$(strip $(sort $(wildcard \
 		$(SRC_TARGET_DIR)/board/$(TARGET_DEVICE)/BoardConfig.mk \
 		$(shell test -d device && find device -maxdepth 4 -path '*/$(TARGET_DEVICE)/BoardConfig.mk') \
 		$(shell test -d vendor && find vendor -maxdepth 4 -path '*/$(TARGET_DEVICE)/BoardConfig.mk') \
-	))
+	)))
 ifeq ($(board_config_mk),)
   $(error No config file found for TARGET_DEVICE $(TARGET_DEVICE))
 endif
diff --git a/core/executable_prefer_symlink.mk b/core/executable_prefer_symlink.mk
index 2326e83..888db88 100644
--- a/core/executable_prefer_symlink.mk
+++ b/core/executable_prefer_symlink.mk
@@ -39,7 +39,7 @@
   endif
 endif
 
-$(my_symlink): $(LOCAL_INSTALLED_MODULE) $(LOCAL_MODULE_MAKEFILE)
+$(my_symlink): $(LOCAL_INSTALLED_MODULE) $(LOCAL_MODULE_MAKEFILE_DEP)
 	@echo "Symlink: $@ -> $(PRIVATE_SRC_BINARY_NAME)"
 	@mkdir -p $(dir $@)
 	@rm -rf $@
diff --git a/core/host_dalvik_java_library.mk b/core/host_dalvik_java_library.mk
index aa700e1..37355b5 100644
--- a/core/host_dalvik_java_library.mk
+++ b/core/host_dalvik_java_library.mk
@@ -75,7 +75,7 @@
         $(full_java_lib_deps) \
         $(jar_manifest_file) \
         $(proto_java_sources_file_stamp) \
-        $(LOCAL_MODULE_MAKEFILE) \
+        $(LOCAL_MODULE_MAKEFILE_DEP) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-host-java-to-package)
 
@@ -124,8 +124,8 @@
 $(built_dex): PRIVATE_CLASSES_JACK := $(full_classes_jack)
 $(built_dex): PRIVATE_JACK_FLAGS := $(GLOBAL_JAVAC_DEBUG_FLAGS) $(LOCAL_JACK_FLAGS)
 $(built_dex): $(java_sources) $(java_resource_sources) $(full_jack_lib_deps) \
-        $(jar_manifest_file) $(proto_java_sources_file_stamp) $(LOCAL_MODULE_MAKEFILE) \
-        $(LOCAL_MODULE_MAKEFILE) $(LOCAL_ADDITIONAL_DEPENDENCIES) $(JACK_JAR) $(JACK_LAUNCHER_JAR)
+        $(jar_manifest_file) $(proto_java_sources_file_stamp) $(LOCAL_MODULE_MAKEFILE_DEP) \
+        $(LOCAL_ADDITIONAL_DEPENDENCIES) $(JACK_JAR) $(JACK_LAUNCHER_JAR)
 	@echo Building with Jack: $@
 	$(jack-java-to-dex)
 
diff --git a/core/host_dalvik_static_java_library.mk b/core/host_dalvik_static_java_library.mk
index c6ba915..8255e5e 100644
--- a/core/host_dalvik_static_java_library.mk
+++ b/core/host_dalvik_static_java_library.mk
@@ -46,7 +46,7 @@
 	PRIVATE_JACK_INCREMENTAL_DIR :=
 endif
 $(full_classes_jack): $(java_sources) $(java_resource_sources) $(full_jack_lib_deps) \
-        $(jar_manifest_file) $(layers_file) $(LOCAL_MODULE_MAKEFILE) \
+        $(jar_manifest_file) $(layers_file) $(LOCAL_MODULE_MAKEFILE_DEP) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES) $(LOCAL_JARJAR_RULES) \
         $(JACK_JAR) $(JACK_LAUNCHER_JAR)
 	@echo Building with Jack: $@
diff --git a/core/host_java_library.mk b/core/host_java_library.mk
index 0a1119f..052c571 100644
--- a/core/host_java_library.mk
+++ b/core/host_java_library.mk
@@ -88,6 +88,6 @@
         $(full_java_lib_deps) \
         $(jar_manifest_file) \
         $(proto_java_sources_file_stamp) \
-        $(LOCAL_MODULE_MAKEFILE) \
+        $(LOCAL_MODULE_MAKEFILE_DEP) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-host-java-to-package)
diff --git a/core/host_shared_library_internal.mk b/core/host_shared_library_internal.mk
index 740c941..272e76f 100644
--- a/core/host_shared_library_internal.mk
+++ b/core/host_shared_library_internal.mk
@@ -44,7 +44,7 @@
 $(LOCAL_BUILT_MODULE): \
         $(all_objects) \
         $(all_libraries) \
-        $(LOCAL_MODULE_MAKEFILE) \
+        $(LOCAL_MODULE_MAKEFILE_DEP) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-host-o-to-shared-lib)
 
diff --git a/core/java.mk b/core/java.mk
index 66825d1..ad406d0 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -292,7 +292,7 @@
 
 $(aidl_java_sources): $(intermediates.COMMON)/src/%.java: \
         $(LOCAL_PATH)/%.aidl \
-        $(LOCAL_MODULE_MAKEFILE) \
+        $(LOCAL_MODULE_MAKEFILE_DEP) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES) \
         $(AIDL) \
         $(aidl_preprocess_import)
@@ -400,7 +400,7 @@
         $(layers_file) \
         $(RenderScript_file_stamp) \
         $(proto_java_sources_file_stamp) \
-        $(LOCAL_MODULE_MAKEFILE) \
+        $(LOCAL_MODULE_MAKEFILE_DEP) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-java-to-classes.jar)
 
@@ -615,7 +615,7 @@
 jack_all_deps := $(java_sources) $(java_resource_sources) $(full_jack_lib_deps) \
         $(jar_manifest_file) $(layers_file) $(RenderScript_file_stamp) $(proguard_flag_files) \
         $(proto_java_sources_file_stamp) $(LOCAL_ADDITIONAL_DEPENDENCIES) $(LOCAL_JARJAR_RULES) \
-        $(LOCAL_MODULE_MAKEFILE) $(JACK_JAR) $(JACK_LAUNCHER_JAR)
+        $(LOCAL_MODULE_MAKEFILE_DEP) $(JACK_JAR) $(JACK_LAUNCHER_JAR)
 
 ifeq ($(LOCAL_IS_STATIC_JAVA_LIBRARY),true)
 $(full_classes_jack): $(jack_all_deps)
diff --git a/core/java_common.mk b/core/java_common.mk
index 2195691..6d5c2dd 100644
--- a/core/java_common.mk
+++ b/core/java_common.mk
@@ -55,7 +55,7 @@
     $(foreach dir,$(LOCAL_JAVA_RESOURCE_DIRS), \
 	$(subst $(space),:,$(strip \
 		$(LOCAL_PATH)/$(dir): \
-	    $(patsubst ./%,%,$(shell cd $(LOCAL_PATH)/$(dir) && \
+	    $(patsubst ./%,%,$(sort $(shell cd $(LOCAL_PATH)/$(dir) && \
 		find . \
 		    -type d -a -name ".svn" -prune -o \
 		    -type f \
@@ -66,7 +66,7 @@
 			-a \! -name ".DS_Store" \
 			-a \! -name "*~" \
 			-print \
-		    )) \
+		    ))) \
 	)) \
     )
   java_resource_file_groups := $(filter-out %:,$(java_resource_file_groups))
diff --git a/core/main.mk b/core/main.mk
index 760a054..c2c234c 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -95,12 +95,19 @@
 # and host information.
 include $(BUILD_SYSTEM)/config.mk
 
+relaunch_with_ninja :=
 ifneq ($(USE_NINJA),false)
+ifndef BUILDING_WITH_NINJA
+relaunch_with_ninja := true
+endif
+endif
+
+ifeq ($(relaunch_with_ninja),true)
 # Mark this is a ninja build.
 $(shell mkdir -p $(OUT_DIR) && touch $(OUT_DIR)/ninja_build)
 include build/core/ninja.mk
-else # !USE_NINJA
-ifeq ($(MAKELEVEL),0)
+else # !relaunch_with_ninja
+ifndef BUILDING_WITH_NINJA
 # Remove ninja build mark if it exists.
 $(shell rm -f $(OUT_DIR)/ninja_build)
 endif
@@ -1066,4 +1073,4 @@
 .PHONY: nothing
 nothing:
 	@echo Successfully read the makefiles.
-endif # !USE_NINJA
+endif # !relaunch_with_ninja
diff --git a/core/ninja.mk b/core/ninja.mk
index 2d0af34..885726b 100644
--- a/core/ninja.mk
+++ b/core/ninja.mk
@@ -1,7 +1,7 @@
 KATI ?= $(HOST_OUT_EXECUTABLES)/ckati
 MAKEPARALLEL ?= $(HOST_OUT_EXECUTABLES)/makeparallel
 
-KATI_OUTPUT_PATTERNS := $(PRODUCT_OUT)/build%.ninja $(PRODUCT_OUT)/ninja%.sh
+KATI_OUTPUT_PATTERNS := $(OUT_DIR)/build%.ninja $(OUT_DIR)/ninja%.sh
 NINJA_GOALS := fastincremental generateonly droid showcommands
 # A list of goals which affect parsing of make.
 PARSE_TIME_MAKE_GOALS := \
@@ -54,13 +54,13 @@
 
 ANDROID_TARGETS := $(filter-out $(KATI_OUTPUT_PATTERNS) $(NINJA_GOALS),$(ORIGINAL_MAKECMDGOALS))
 EXTRA_TARGETS := $(filter-out $(KATI_OUTPUT_PATTERNS) $(NINJA_GOALS),$(filter-out $(ORIGINAL_MAKECMDGOALS),$(MAKECMDGOALS)))
-KATI_TARGETS := $(if $(filter $(PARSE_TIME_MAKE_GOALS),$(ANDROID_TARGETS)),$(ANDROID_TARGETS),)
+KATI_TARGETS := $(filter $(PARSE_TIME_MAKE_GOALS),$(ANDROID_TARGETS))
 
 define replace_space_and_slash
 $(subst /,_,$(subst $(space),_,$(sort $1)))
 endef
 
-KATI_NINJA_SUFFIX :=
+KATI_NINJA_SUFFIX := -$(TARGET_PRODUCT)
 ifneq ($(KATI_TARGETS),)
 KATI_NINJA_SUFFIX := $(KATI_NINJA_SUFFIX)-$(call replace_space_and_slash,$(KATI_TARGETS))
 endif
@@ -81,8 +81,8 @@
 endif
 endif
 
-KATI_BUILD_NINJA := $(PRODUCT_OUT)/build$(KATI_NINJA_SUFFIX).ninja
-KATI_NINJA_SH := $(PRODUCT_OUT)/ninja$(KATI_NINJA_SUFFIX).sh
+KATI_BUILD_NINJA := $(OUT_DIR)/build$(KATI_NINJA_SUFFIX).ninja
+KATI_NINJA_SH := $(OUT_DIR)/ninja$(KATI_NINJA_SUFFIX).sh
 
 # Write out a file mapping checksum to the real suffix.
 ifneq ($(my_checksum_suffix),)
@@ -136,7 +136,7 @@
 .INTERMEDIATE: kati.intermediate
 kati.intermediate: $(KATI) $(MAKEPARALLEL)
 	@echo Running kati to generate build$(KATI_NINJA_SUFFIX).ninja...
-	+$(hide) $(KATI_MAKEPARALLEL) $(KATI) --ninja --ninja_dir=$(PRODUCT_OUT) --ninja_suffix=$(KATI_NINJA_SUFFIX) --regen --ignore_dirty=$(OUT_DIR)/% --ignore_optional_include=$(OUT_DIR)/%.P --detect_android_echo --use_find_emulator -f build/core/main.mk $(or $(KATI_TARGETS),--gen_all_phony_targets) USE_NINJA=false
+	+$(hide) $(KATI_MAKEPARALLEL) $(KATI) --ninja --ninja_dir=$(OUT_DIR) --ninja_suffix=$(KATI_NINJA_SUFFIX) --regen --ignore_dirty=$(OUT_DIR)/% --ignore_optional_include=$(OUT_DIR)/%.P --detect_android_echo --use_find_emulator -f build/core/main.mk $(KATI_TARGETS) --gen_all_phony_targets BUILDING_WITH_NINJA=true
 
 KATI_CXX := $(CLANG_CXX) $(CLANG_HOST_GLOBAL_CFLAGS) $(CLANG_HOST_GLOBAL_CPPFLAGS)
 KATI_LD := $(CLANG_CXX) $(CLANG_HOST_GLOBAL_LDFLAGS)
@@ -149,7 +149,7 @@
 KATI_BIN_PATH := $(HOST_OUT_EXECUTABLES)
 include build/kati/Makefile.ckati
 
-MAKEPARALLEL_CXX := $(CLANG_CXX) $(CLANG_HOST_GLOBAL_CPPFLAGS)
+MAKEPARALLEL_CXX := $(CLANG_CXX) $(CLANG_HOST_GLOBAL_CFLAGS) $(CLANG_HOST_GLOBAL_CPPFLAGS)
 MAKEPARALLEL_LD := $(CLANG_CXX) $(CLANG_HOST_GLOBAL_LDFLAGS)
 # Build static makeparallel. Unfortunately Mac OS X doesn't officially support static exectuables.
 ifeq ($(BUILD_OS),linux)
diff --git a/core/pdk_config.mk b/core/pdk_config.mk
index 838754f..35b06ae 100644
--- a/core/pdk_config.mk
+++ b/core/pdk_config.mk
@@ -21,11 +21,11 @@
 # Most PDK project paths should be using vendor/pdk/TARGET_DEVICE
 # but some legacy ones (e.g. mini_armv7a_neon generic PDK) were setup
 # with vendor/pdk/TARGET_PRODUCT.
-_pdk_fusion_default_platform_zip = $(wildcard \
-vendor/pdk/$(TARGET_DEVICE)/$(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)/platform/platform.zip \
-vendor/pdk/$(TARGET_DEVICE)/$(patsubst aosp_%,full_%,$(TARGET_PRODUCT))-$(TARGET_BUILD_VARIANT)/platform/platform.zip \
-vendor/pdk/$(TARGET_PRODUCT)/$(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)/platform/platform.zip \
-vendor/pdk/$(TARGET_PRODUCT)/$(patsubst aosp_%,full_%,$(TARGET_PRODUCT))-$(TARGET_BUILD_VARIANT)/platform/platform.zip)
+_pdk_fusion_default_platform_zip = $(strip \
+  $(wildcard vendor/pdk/$(TARGET_DEVICE)/$(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)/platform/platform.zip) \
+  $(wildcard vendor/pdk/$(TARGET_DEVICE)/$(patsubst aosp_%,full_%,$(TARGET_PRODUCT))-$(TARGET_BUILD_VARIANT)/platform/platform.zip) \
+  $(wildcard vendor/pdk/$(TARGET_PRODUCT)/$(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)/platform/platform.zip) \
+  $(wildcard vendor/pdk/$(TARGET_PRODUCT)/$(patsubst aosp_%,full_%,$(TARGET_PRODUCT))-$(TARGET_BUILD_VARIANT)/platform/platform.zip))
 ifneq (,$(_pdk_fusion_default_platform_zip))
 PDK_FUSION_PLATFORM_ZIP := $(word 1, $(_pdk_fusion_default_platform_zip))
 TARGET_BUILD_PDK := true
diff --git a/core/phony_package.mk b/core/phony_package.mk
index 30e198c..866b13c 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_MODULE_MAKEFILE) $(LOCAL_ADDITIONAL_DEPENDENCIES)
+$(LOCAL_BUILT_MODULE): $(LOCAL_MODULE_MAKEFILE_DEP) $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(hide) echo "Fake: $@"
 	$(hide) mkdir -p $(dir $@)
 	$(hide) touch $@
diff --git a/core/prebuilt_internal.mk b/core/prebuilt_internal.mk
index d367828..2388ab9 100644
--- a/core/prebuilt_internal.mk
+++ b/core/prebuilt_internal.mk
@@ -88,7 +88,7 @@
 ifdef prebuilt_module_is_a_library
 export_includes := $(intermediates)/export_includes
 $(export_includes): PRIVATE_EXPORT_C_INCLUDE_DIRS := $(LOCAL_EXPORT_C_INCLUDE_DIRS)
-$(export_includes) : $(LOCAL_MODULE_MAKEFILE)
+$(export_includes) : $(LOCAL_MODULE_MAKEFILE_DEP)
 	@echo Export includes file: $< -- $@
 	$(hide) mkdir -p $(dir $@) && rm -f $@
 ifdef LOCAL_EXPORT_C_INCLUDE_DIRS
@@ -304,12 +304,12 @@
 
 ifeq ($(LOCAL_MODULE_CLASS),JAVA_LIBRARIES)
 $(intermediates.COMMON)/classes.jack : PRIVATE_JILL_FLAGS:=$(LOCAL_JILL_FLAGS)
-$(intermediates.COMMON)/classes.jack : $(my_prebuilt_src_file) $(LOCAL_MODULE_MAKEFILE) \
+$(intermediates.COMMON)/classes.jack : $(my_prebuilt_src_file) $(LOCAL_MODULE_MAKEFILE_DEP) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES) $(JILL_JAR) $(JACK_JAR) $(JACK_LAUNCHER_JAR)
 	$(transform-jar-to-jack)
 
 endif # JAVA_LIBRARIES
 
-$(built_module) : $(LOCAL_MODULE_MAKEFILE) $(LOCAL_ADDITIONAL_DEPENDENCIES)
+$(built_module) : $(LOCAL_MODULE_MAKEFILE_DEP) $(LOCAL_ADDITIONAL_DEPENDENCIES)
 
 my_prebuilt_src_file :=
diff --git a/core/product.mk b/core/product.mk
index 9efb85d..95f1880 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -28,8 +28,8 @@
 # $(call ) isn't necessary.
 #
 define _find-android-products-files
-$(shell test -d device && find device -maxdepth 6 -name AndroidProducts.mk) \
-  $(shell test -d vendor && find vendor -maxdepth 6 -name AndroidProducts.mk) \
+$(sort $(shell test -d device && find device -maxdepth 6 -name AndroidProducts.mk)) \
+  $(sort $(shell test -d vendor && find vendor -maxdepth 6 -name AndroidProducts.mk)) \
   $(SRC_TARGET_DIR)/product/AndroidProducts.mk
 endef
 
diff --git a/core/sdk_font.mk b/core/sdk_font.mk
index 204403d..c10f19f 100644
--- a/core/sdk_font.mk
+++ b/core/sdk_font.mk
@@ -18,7 +18,7 @@
 SDK_FONT_TEMP := $(call intermediates-dir-for,PACKAGING,sdk-fonts,HOST,COMMON)
 
 # The font configuration files - system_fonts.xml, fallback_fonts.xml etc.
-sdk_font_config := $(wildcard frameworks/base/data/fonts/*.xml)
+sdk_font_config := $(sort $(wildcard frameworks/base/data/fonts/*.xml))
 sdk_font_config :=  $(addprefix $(SDK_FONT_TEMP)/, $(notdir $(sdk_font_config)))
 
 $(sdk_font_config): $(SDK_FONT_TEMP)/%.xml: \
diff --git a/core/shared_library_internal.mk b/core/shared_library_internal.mk
index 1507502..075bd02 100644
--- a/core/shared_library_internal.mk
+++ b/core/shared_library_internal.mk
@@ -80,7 +80,7 @@
         $(all_libraries) \
         $(my_target_crtbegin_so_o) \
         $(my_target_crtend_so_o) \
-        $(LOCAL_MODULE_MAKEFILE) \
+        $(LOCAL_MODULE_MAKEFILE_DEP) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-o-to-shared-lib)
 
diff --git a/envsetup.sh b/envsetup.sh
index c24e1f0..a3788f0 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -1,24 +1,25 @@
 function hmm() {
 cat <<EOF
 Invoke ". build/envsetup.sh" from your shell to add the following functions to your environment:
-- lunch:   lunch <product_name>-<build_variant>
-- tapas:   tapas [<App1> <App2> ...] [arm|x86|mips|armv5|arm64|x86_64|mips64] [eng|userdebug|user]
-- croot:   Changes directory to the top of the tree.
-- m:       Makes from the top of the tree.
-- mm:      Builds all of the modules in the current directory, but not their dependencies.
-- mmm:     Builds all of the modules in the supplied directories, but not their dependencies.
-           To limit the modules being built use the syntax: mmm dir/:target1,target2.
-- mma:     Builds all of the modules in the current directory, and their dependencies.
-- mmma:    Builds all of the modules in the supplied directories, and their dependencies.
-- cgrep:   Greps on all local C/C++ files.
-- ggrep:   Greps on all local Gradle files.
-- jgrep:   Greps on all local Java files.
-- resgrep: Greps on all local res/*.xml files.
-- mangrep: Greps on all local AndroidManifest.xml files.
-- mgrep:   Greps on all local Makefiles files.
-- sepgrep: Greps on all local sepolicy files.
-- sgrep:   Greps on all local source files.
-- godir:   Go to the directory containing a file.
+- lunch:     lunch <product_name>-<build_variant>
+- tapas:     tapas [<App1> <App2> ...] [arm|x86|mips|armv5|arm64|x86_64|mips64] [eng|userdebug|user]
+- croot:     Changes directory to the top of the tree.
+- m:         Makes from the top of the tree.
+- mm:        Builds all of the modules in the current directory, but not their dependencies.
+- mmm:       Builds all of the modules in the supplied directories, but not their dependencies.
+             To limit the modules being built use the syntax: mmm dir/:target1,target2.
+- mma:       Builds all of the modules in the current directory, and their dependencies.
+- mmma:      Builds all of the modules in the supplied directories, and their dependencies.
+- provision: Flash device with all required partitions. Options will be passed on to fastboot.
+- cgrep:     Greps on all local C/C++ files.
+- ggrep:     Greps on all local Gradle files.
+- jgrep:     Greps on all local Java files.
+- resgrep:   Greps on all local res/*.xml files.
+- mangrep:   Greps on all local AndroidManifest.xml files.
+- mgrep:     Greps on all local Makefiles files.
+- sepgrep:   Greps on all local sepolicy files.
+- sgrep:     Greps on all local source files.
+- godir:     Go to the directory containing a file.
 
 Environemnt options:
 - SANITIZE_HOST: Set to 'true' to use ASAN for all host modules. Note that
@@ -1470,6 +1471,34 @@
     return $ret
 }
 
+function provision()
+{
+    if [ ! "$ANDROID_PRODUCT_OUT" ]; then
+        echo "Couldn't locate output files.  Try running 'lunch' first." >&2
+        return 1
+    fi
+    if [ ! -e "$ANDROID_PRODUCT_OUT/provision-device" ]; then
+        echo "There is no provisioning script for the device." >&2
+        return 1
+    fi
+
+    # Check if user really wants to do this.
+    if [ "$1" = "--no-confirmation" ]; then
+        shift 1
+    else
+        echo "This action will reflash your device."
+        echo ""
+        echo "ALL DATA ON THE DEVICE WILL BE IRREVOCABLY ERASED."
+        echo ""
+        read -p "Are you sure you want to do this (yes/no)? "
+        if [[ "${REPLY}" != "yes" ]] ; then
+            echo "Not taking any action. Exiting." >&2
+            return 1
+        fi
+    fi
+    "$ANDROID_PRODUCT_OUT/provision-device" "$@"
+}
+
 if [ "x$SHELL" != "x/bin/bash" ]; then
     case `ps -o command -p $$` in
         *bash*)
diff --git a/tools/releasetools/add_img_to_target_files.py b/tools/releasetools/add_img_to_target_files.py
index bc2667d..6bdb9d1 100755
--- a/tools/releasetools/add_img_to_target_files.py
+++ b/tools/releasetools/add_img_to_target_files.py
@@ -28,6 +28,7 @@
   print >> sys.stderr, "Python 2.7 or newer is required."
   sys.exit(1)
 
+import datetime
 import errno
 import os
 import shutil
@@ -120,6 +121,12 @@
   if fstab:
     image_props["fs_type"] = fstab["/" + what].fs_type
 
+  # Use a fixed timestamp (01/01/2009) when packaging the image.
+  # Bug: 24377993
+  epoch = datetime.datetime.fromtimestamp(0)
+  timestamp = (datetime.datetime(2009, 1, 1) - epoch).total_seconds()
+  image_props["timestamp"] = int(timestamp)
+
   if what == "system":
     fs_config_prefix = ""
   else:
@@ -166,6 +173,12 @@
 
   print "creating userdata.img..."
 
+  # Use a fixed timestamp (01/01/2009) when packaging the image.
+  # Bug: 24377993
+  epoch = datetime.datetime.fromtimestamp(0)
+  timestamp = (datetime.datetime(2009, 1, 1) - epoch).total_seconds()
+  image_props["timestamp"] = int(timestamp)
+
   # The name of the directory it is making an image out of matters to
   # mkyaffs2image.  So we create a temp dir, and within it we create an
   # empty dir named "data", or a symlink to the DATA dir,
@@ -210,6 +223,12 @@
 
   print "creating cache.img..."
 
+  # Use a fixed timestamp (01/01/2009) when packaging the image.
+  # Bug: 24377993
+  epoch = datetime.datetime.fromtimestamp(0)
+  timestamp = (datetime.datetime(2009, 1, 1) - epoch).total_seconds()
+  image_props["timestamp"] = int(timestamp)
+
   # The name of the directory it is making an image out of matters to
   # mkyaffs2image.  So we create a temp dir, and within it we create an
   # empty dir named "cache", and build the image from that.
diff --git a/tools/releasetools/build_image.py b/tools/releasetools/build_image.py
index bf5d9dd..e5e2a24 100755
--- a/tools/releasetools/build_image.py
+++ b/tools/releasetools/build_image.py
@@ -385,6 +385,7 @@
     mount_point: such as "system", "data" etc.
   """
   d = {}
+
   if "build.prop" in glob_dict:
     bp = glob_dict["build.prop"]
     if "ro.build.date.utc" in bp: