resolved conflicts for merge of 0c651756 to master

Change-Id: Ifd66a3daa792f88ac2db0c24a11962d445e8f22d
diff --git a/CleanSpec.mk b/CleanSpec.mk
index ca37637..a967412 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -249,12 +249,22 @@
 # Adding dalvik.vm.dex2oat-flags to eng builds
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
 
+# Unset TARGET_PREFER_32_BIT_APPS for 64 bit targets.
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+
+# Switching the x86 emulator over to a 64 bit primary zygote.
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/default.prop)
+
 # Rename persist.sys.dalvik.vm.lib.1 to allow new default
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
 
 # Switching PRODUCT_RUNTIMES default for some devices
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
 
+# Switching to 32-bit-by-default host multilib build
+$(call add-clean-step, rm -rf $(HOST_OUT_INTERMEDIATES))
+
 # KKWT has become API 20
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
diff --git a/core/Makefile b/core/Makefile
index 4cd9966..bd194f0 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -678,6 +678,7 @@
 INSTALLED_RECOVERYIMAGE_TARGET := $(PRODUCT_OUT)/recovery.img
 
 recovery_initrc := $(call include-path-for, recovery)/etc/init.rc
+recovery_sepolicy := $(call intermediates-dir-for,ETC,sepolicy.recovery)/sepolicy.recovery
 recovery_kernel := $(INSTALLED_KERNEL_TARGET) # same as a non-recovery system
 recovery_ramdisk := $(PRODUCT_OUT)/ramdisk-recovery.img
 recovery_build_prop := $(INSTALLED_BUILD_PROP_TARGET)
@@ -773,7 +774,7 @@
 		$(INSTALLED_RAMDISK_TARGET) \
 		$(INSTALLED_BOOTIMAGE_TARGET) \
 		$(recovery_binary) \
-		$(recovery_initrc) $(recovery_kernel) \
+		$(recovery_initrc) $(recovery_sepolicy) $(recovery_kernel) \
 		$(INSTALLED_2NDBOOTLOADER_TARGET) \
 		$(recovery_build_prop) $(recovery_resource_deps) \
 		$(recovery_fstab) \
@@ -787,6 +788,8 @@
 	@echo Modifying ramdisk contents...
 	$(hide) rm -f $(TARGET_RECOVERY_ROOT_OUT)/init*.rc
 	$(hide) cp -f $(recovery_initrc) $(TARGET_RECOVERY_ROOT_OUT)/
+	$(hide) rm -f $(TARGET_RECOVERY_ROOT_OUT)/sepolicy
+	$(hide) cp -f $(recovery_sepolicy) $(TARGET_RECOVERY_ROOT_OUT)/sepolicy
 	$(hide) -cp $(TARGET_ROOT_OUT)/init.recovery.*.rc $(TARGET_RECOVERY_ROOT_OUT)/
 	$(hide) cp -f $(recovery_binary) $(TARGET_RECOVERY_ROOT_OUT)/sbin/
 	$(hide) mkdir -p $(TARGET_RECOVERY_ROOT_OUT)/res
@@ -1376,6 +1379,11 @@
 .PHONY: otapackage
 otapackage: $(INTERNAL_OTA_PACKAGE_TARGET)
 
+endif    # recovery_fstab is defined
+endif    # TARGET_NO_KERNEL != true
+endif    # TARGET_DEVICE != generic*
+endif    # TARGET_PRODUCT != sdk
+
 # -----------------------------------------------------------------
 # The update package
 
@@ -1397,11 +1405,6 @@
 .PHONY: updatepackage
 updatepackage: $(INTERNAL_UPDATE_PACKAGE_TARGET)
 
-endif    # recovery_fstab is defined
-endif    # TARGET_NO_KERNEL != true
-endif    # TARGET_DEVICE != generic*
-endif    # TARGET_PRODUCT != sdk
-
 # -----------------------------------------------------------------
 # A zip of the symbols directory.  Keep the full paths to make it
 # more obvious where these files came from.
@@ -1525,7 +1528,7 @@
   INTERNAL_SDK_HOST_OS_NAME := $(HOST_OS)
 endif
 ifneq ($(HOST_OS),windows)
-  INTERNAL_SDK_HOST_OS_NAME := $(INTERNAL_SDK_HOST_OS_NAME)-$(HOST_ARCH)
+  INTERNAL_SDK_HOST_OS_NAME := $(INTERNAL_SDK_HOST_OS_NAME)-$(SDK_HOST_ARCH)
 endif
 sdk_name := $(sdk_name)_$(INTERNAL_SDK_HOST_OS_NAME)
 
@@ -1551,7 +1554,7 @@
 
 sdk_atree_files := \
 	$(atree_dir)/sdk.exclude.atree \
-	$(atree_dir)/sdk-$(HOST_OS)-$(HOST_ARCH).atree
+	$(atree_dir)/sdk-$(HOST_OS)-$(SDK_HOST_ARCH).atree
 
 # development/build/sdk-android-<abi>.atree is used to differentiate
 # between architecture models (e.g. ARMv5TE versus ARMv7) when copying
diff --git a/core/base_rules.mk b/core/base_rules.mk
index 9571001..548ed13 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -175,11 +175,11 @@
 else
   built_module_path := $(intermediates)
 endif
-LOCAL_BUILT_MODULE := $(built_module_path)/$(LOCAL_BUILT_MODULE_STEM)
+LOCAL_BUILT_MODULE := $(built_module_path)/$(my_built_module_stem)
 built_module_path :=
 
 ifneq (true,$(LOCAL_UNINSTALLABLE_MODULE))
-  LOCAL_INSTALLED_MODULE := $(my_module_path)/$(LOCAL_INSTALLED_MODULE_STEM)
+  LOCAL_INSTALLED_MODULE := $(my_module_path)/$(my_installed_module_stem)
 endif
 
 # Assemble the list of targets to create PRIVATE_ variables for.
@@ -571,10 +571,12 @@
 ifdef LOCAL_DONT_CHECK_MODULE
   LOCAL_CHECKED_MODULE :=
 endif
-# Don't check build the module defined for the 2nd arch
+# Don't check build target module defined for the 2nd arch
+ifndef LOCAL_IS_HOST_MODULE
 ifdef LOCAL_2ND_ARCH_VAR_PREFIX
   LOCAL_CHECKED_MODULE :=
 endif
+endif
 
 ###########################################################
 ## Register with ALL_MODULES
diff --git a/core/binary.mk b/core/binary.mk
index fbfb0ab..be0776e 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -122,12 +122,27 @@
 my_c_includes += $(LOCAL_C_INCLUDES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_C_INCLUDES_$(my_32_64_bit_suffix))
 my_generated_sources += $(LOCAL_GENERATED_SOURCES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_GENERATED_SOURCES_$(my_32_64_bit_suffix))
 
+my_clang := $(LOCAL_CLANG)
+ifdef LOCAL_CLANG_$(my_32_64_bit_suffix)
+my_clang := $(LOCAL_CLANG_$(my_32_64_bit_suffix))
+endif
+ifdef LOCAL_CLANG_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)
+my_clang := $(LOCAL_CLANG_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
+endif
+
 # arch-specific static libraries go first so that generic ones can depend on them
 my_static_libraries := $(LOCAL_STATIC_LIBRARIES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_STATIC_LIBRARIES_$(my_32_64_bit_suffix)) $(my_static_libraries)
 my_whole_static_libraries := $(LOCAL_WHOLE_STATIC_LIBRARIES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_WHOLE_STATIC_LIBRARIES_$(my_32_64_bit_suffix)) $(my_whole_static_libraries)
 
 my_cflags := $(filter-out $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_UNSUPPORTED_CFLAGS),$(my_cflags))
 
+
+# Replace libstdc++ with libc++ if it's seen
+my_libcxx := $(filter libc++, $(my_shared_libraries))
+ifdef my_libcxx
+my_system_shared_libraries := $(filter-out libstdc++, $(my_system_shared_libraries))
+endif
+
 # Add static HAL libraries
 ifdef LOCAL_HAL_STATIC_LIBRARIES
 $(foreach lib, $(LOCAL_HAL_STATIC_LIBRARIES), \
@@ -138,7 +153,7 @@
 endif
 
 ifeq ($(strip $(LOCAL_ADDRESS_SANITIZER)),true)
-  LOCAL_CLANG := true
+  my_clang := true
   # Frame pointer based unwinder in ASan requires ARM frame setup.
   LOCAL_ARM_MODE := arm
   my_cflags += $(ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS)
@@ -148,7 +163,7 @@
 endif
 
 ifeq ($(strip $($(LOCAL_2ND_ARCH_VAR_PREFIX)WITHOUT_$(my_prefix)CLANG)),true)
-  LOCAL_CLANG :=
+  my_clang :=
 endif
 
 # Add in libcompiler_rt for all regular device builds
@@ -196,7 +211,7 @@
 ifdef LOCAL_INSTALLED_MODULE
 ifdef installed_shared_library_module_names
 $(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)DEPENDENCIES_ON_SHARED_LIBRARIES += \
-    $(LOCAL_MODULE):$(LOCAL_INSTALLED_MODULE):$(subst $(space),$(comma),$(installed_shared_library_module_names))
+    $(my_register_name):$(LOCAL_INSTALLED_MODULE):$(subst $(space),$(comma),$(installed_shared_library_module_names))
 endif
 endif
 
@@ -214,7 +229,7 @@
 my_target_global_cppflags :=
 endif # LOCAL_SDK_VERSION
 
-ifeq ($(LOCAL_CLANG),true)
+ifeq ($(my_clang),true)
 my_target_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_TARGET_GLOBAL_CFLAGS)
 my_target_global_cppflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_TARGET_GLOBAL_CPPFLAGS)
 my_target_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_TARGET_GLOBAL_LDFLAGS)
@@ -223,7 +238,7 @@
 my_target_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CFLAGS)
 my_target_global_cppflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CPPFLAGS)
 my_target_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_LDFLAGS)
-endif # LOCAL_CLANG
+endif # my_clang
 
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_PROJECT_INCLUDES := $(my_target_project_includes)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_C_INCLUDES := $(my_target_c_includes)
@@ -233,7 +248,7 @@
 
 else # LOCAL_IS_HOST_MODULE
 
-ifeq ($(LOCAL_CLANG),true)
+ifeq ($(my_clang),true)
 my_host_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_HOST_GLOBAL_CFLAGS)
 my_host_global_cppflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_HOST_GLOBAL_CPPFLAGS)
 my_host_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_HOST_GLOBAL_LDFLAGS)
@@ -243,7 +258,7 @@
 my_host_global_cppflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)HOST_GLOBAL_CPPFLAGS)
 my_host_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)HOST_GLOBAL_LDFLAGS)
 my_host_c_includes := $($(LOCAL_2ND_ARCH_VAR_PREFIX)HOST_C_INCLUDES)
-endif # LOCAL_CLANG
+endif # my_clang
 
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_HOST_C_INCLUDES := $(my_host_c_includes)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_HOST_GLOBAL_CFLAGS := $(my_host_global_cflags)
@@ -272,7 +287,7 @@
 endif
 
 ifeq ($(strip $(my_cc)),)
-  ifeq ($(strip $(LOCAL_CLANG)),true)
+  ifeq ($(strip $(my_clang)),true)
     my_cc := $(CLANG)
   else
     my_cc := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)CC)
@@ -288,7 +303,7 @@
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CC := $(my_cc)
 
 ifeq ($(strip $(my_cxx)),)
-  ifeq ($(strip $(LOCAL_CLANG)),true)
+  ifeq ($(strip $(my_clang)),true)
     my_cxx := $(CLANG_CXX)
   else
     my_cxx := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)CXX)
@@ -337,7 +352,7 @@
 # actually used (although they are usually empty).
 arm_objects_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)$(arm_objects_mode)_CFLAGS)
 normal_objects_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)$(normal_objects_mode)_CFLAGS)
-ifeq ($(strip $(LOCAL_CLANG)),true)
+ifeq ($(strip $(my_clang)),true)
 arm_objects_cflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(arm_objects_cflags))
 normal_objects_cflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(normal_objects_cflags))
 endif
@@ -411,7 +426,9 @@
     $(renderscript_intermediate)/ScriptC_,$(patsubst %.fs,%.cpp, $(patsubst %.rs,%.cpp, \
     $(notdir $(renderscript_sources)))))
 
+# This is just a dummy rule to make sure gmake doesn't skip updating the dependents.
 $(rs_generated_cpps) : $(RenderScript_file_stamp)
+	@echo "Updated RS generated cpp file $@."
 
 my_c_includes += $(renderscript_intermediate)
 my_generated_sources += $(rs_generated_cpps)
@@ -461,9 +478,9 @@
 $(proto_generated_cc_sources): $(proto_generated_cc_sources_dir)/%.pb.cc: %.proto $(PROTOC)
 	$(transform-proto-to-cc)
 
+# This is just a dummy rule to make sure gmake doesn't skip updating the dependents.
 $(proto_generated_headers): $(proto_generated_cc_sources_dir)/%.pb.h: $(proto_generated_cc_sources_dir)/%.pb.cc
-	# This is just a dummy rule to make sure gmake doesn't skip updating the dependents.
-	@echo "Updated header file $<."
+	@echo "Updated header file $@."
 
 $(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_proto_defined := true
 endif  # transform-proto-to-cc rule included only once
@@ -732,6 +749,19 @@
 asm_objects := $(asm_objects_S) $(asm_objects_s)
 
 
+# .asm for x86 needs to be compiled with yasm.
+ifeq (x86,$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
+asm_sources_asm := $(filter %.asm,$(my_src_files))
+ifneq ($(strip $(asm_sources_asm)),)
+asm_objects_asm := $(addprefix $(intermediates)/,$(asm_sources_asm:.asm=.o))
+$(asm_objects_asm): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.asm \
+    $(LOCAL_ADDITIONAL_DEPENDENCIES)
+	$(transform-asm-to-o)
+
+asm_objects += $(asm_objects_asm)
+endif
+endif
+
 ####################################################
 ## Import includes
 ####################################################
@@ -873,7 +903,7 @@
 # Rule-specific variable definitions
 ###########################################################
 
-ifeq ($(LOCAL_CLANG),true)
+ifeq ($(my_clang),true)
 my_cflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(my_cflags))
 my_cppflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(my_cppflags))
 my_asflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(my_asflags))
@@ -892,6 +922,7 @@
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDFLAGS := $(my_ldflags)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDLIBS := $(LOCAL_LDLIBS)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_NO_CRT := $(strip $(LOCAL_NO_CRT) $(LOCAL_NO_CRT_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)))
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LIBCXX := $(my_libcxx)
 
 # this is really the way to get the files onto the command line instead
 # of using $^, because then LOCAL_ADDITIONAL_DEPENDENCIES doesn't work
diff --git a/core/clang/config.mk b/core/clang/config.mk
index 56d467b..1125368 100644
--- a/core/clang/config.mk
+++ b/core/clang/config.mk
@@ -6,11 +6,6 @@
 WITHOUT_HOST_CLANG := true
 endif
 
-# We don't have 64-bit host prebuilts yet.
-ifeq (true,$(HOST_IS_64_BIT))
-FORCE_BUILD_LLVM_COMPONENTS := true
-endif
-
 LLVM_PREBUILTS_PATH := prebuilts/clang/$(BUILD_OS)-x86/host/3.5/bin
 LLVM_PREBUILTS_HEADER_PATH := prebuilts/clang/$(BUILD_OS)-x86/host/3.5/lib/clang/3.5/include/
 
@@ -20,7 +15,7 @@
 LLVM_LINK := $(LLVM_PREBUILTS_PATH)/llvm-link$(BUILD_EXECUTABLE_SUFFIX)
 
 CLANG_TBLGEN := $(HOST_OUT_EXECUTABLES)/clang-tblgen$(BUILD_EXECUTABLE_SUFFIX)
-TBLGEN := $(HOST_OUT_EXECUTABLES)/tblgen$(BUILD_EXECUTABLE_SUFFIX)
+LLVM_TBLGEN := $(HOST_OUT_EXECUTABLES)/llvm-tblgen$(BUILD_EXECUTABLE_SUFFIX)
 
 
 # Clang flags for all host or target rules
@@ -34,9 +29,14 @@
 
 CLANG_CONFIG_UNKNOWN_CFLAGS := \
   -funswitch-loops \
+  -fno-tree-sra \
+  -finline-limit=64 \
   -Wno-psabi \
   -Wno-unused-but-set-variable \
   -Wno-unused-but-set-parameter \
+  -Wmaybe-uninitialized \
+  -Wno-maybe-uninitialized \
+  -Wno-error=maybe-uninitialized \
   -fno-canonical-system-headers
 
 # Clang flags for all host rules
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index f30e170..69b9e6c 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -137,6 +137,7 @@
 LOCAL_ADDRESS_SANITIZER:=
 LOCAL_JAR_EXCLUDE_FILES:=
 LOCAL_JAR_PACKAGES:=
+LOCAL_JAR_EXCLUDE_PACKAGES:=
 LOCAL_LINT_FLAGS:=
 LOCAL_SOURCE_FILES_ALL_GENERATED:= # '',true
 # Don't delete the META_INF dir when merging static Java libraries.
@@ -150,14 +151,12 @@
 LOCAL_NO_SYNTAX_CHECK:=
 LOCAL_NO_STATIC_ANALYZER:=
 LOCAL_32_BIT_ONLY:= # '',true
+LOCAL_MULTILIB:=
 LOCAL_MODULE_TARGET_ARCH:=
 LOCAL_MODULE_TARGET_ARCH_WARN:=
 LOCAL_MODULE_UNSUPPORTED_TARGET_ARCH:=
 LOCAL_MODULE_UNSUPPORTED_TARGET_ARCH_WARN:=
 LOCAL_MODULE_HOST_ARCH:=
-LOCAL_MODULE_HOST_ARCH_WARN:=
-LOCAL_MODULE_UNSUPPORTED_HOST_ARCH:=
-LOCAL_MODULE_UNSUPPORTED_HOST_ARCH_WARN:=
 
 # arch specific variables
 LOCAL_SRC_FILES_$(TARGET_ARCH):=
@@ -172,6 +171,7 @@
 LOCAL_WHOLE_STATIC_LIBRARIES_$(TARGET_ARCH):=
 LOCAL_GENERATED_SOURCES_$(TARGET_ARCH):=
 LOCAL_REQUIRED_MODULES_$(TARGET_ARCH):=
+LOCAL_CLANG_$(TARGET_ARCH):=
 ifdef TARGET_2ND_ARCH
 LOCAL_SRC_FILES_$(TARGET_2ND_ARCH):=
 LOCAL_CFLAGS_$(TARGET_2ND_ARCH):=
@@ -185,6 +185,7 @@
 LOCAL_WHOLE_STATIC_LIBRARIES_$(TARGET_2ND_ARCH):=
 LOCAL_GENERATED_SOURCES_$(TARGET_2ND_ARCH):=
 LOCAL_REQUIRED_MODULES_$(TARGET_2ND_ARCH):=
+LOCAL_CLANG_$(TARGET_2ND_ARCH):=
 endif
 LOCAL_SRC_FILES_$(HOST_ARCH):=
 LOCAL_CFLAGS_$(HOST_ARCH):=
@@ -198,6 +199,7 @@
 LOCAL_WHOLE_STATIC_LIBRARIES_$(HOST_ARCH):=
 LOCAL_GENERATED_SOURCES_$(HOST_ARCH):=
 LOCAL_REQUIRED_MODULES_$(HOST_ARCH):=
+LOCAL_CLANG_$(HOST_ARCH):=
 ifdef HOST_2ND_ARCH
 LOCAL_SRC_FILES_$(HOST_2ND_ARCH):=
 LOCAL_CFLAGS_$(HOST_2ND_ARCH):=
@@ -211,6 +213,7 @@
 LOCAL_WHOLE_STATIC_LIBRARIES_$(HOST_2ND_ARCH):=
 LOCAL_GENERATED_SOURCES_$(HOST_2ND_ARCH):=
 LOCAL_REQUIRED_MODULES_$(HOST_2ND_ARCH):=
+LOCAL_CLANG_$(HOST_2ND_ARCH):=
 endif
 
 LOCAL_SRC_FILES_32:=
@@ -237,7 +240,8 @@
 LOCAL_MODULE_PATH_64:=
 LOCAL_MODULE_STEM_32:=
 LOCAL_MODULE_STEM_64:=
-LOCAL_MULTILIB:=
+LOCAL_CLANG_32:=
+LOCAL_CLANG_64:=
 
 # Trim MAKEFILE_LIST so that $(call my-dir) doesn't need to
 # iterate over thousands of entries every time.
diff --git a/core/combo/TARGET_linux-arm.mk b/core/combo/TARGET_linux-arm.mk
index e3491c0..9968ae6 100644
--- a/core/combo/TARGET_linux-arm.mk
+++ b/core/combo/TARGET_linux-arm.mk
@@ -227,6 +227,7 @@
 	-nostdlib -Wl,-soname,$(notdir $@) \
 	-Wl,--gc-sections \
 	-Wl,-shared,-Bsymbolic \
+	-shared \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
 	$(PRIVATE_ALL_OBJECTS) \
@@ -243,7 +244,7 @@
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
 	$(PRIVATE_LDLIBS)
 endef
@@ -270,7 +271,7 @@
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
 	$(PRIVATE_LDLIBS)
 endef
@@ -293,7 +294,7 @@
 	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
 	$(PRIVATE_TARGET_FDO_LIB) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	-Wl,--end-group \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
 endef
diff --git a/core/combo/TARGET_linux-arm64.mk b/core/combo/TARGET_linux-arm64.mk
index 3cd4fb8..4bb665c 100644
--- a/core/combo/TARGET_linux-arm64.mk
+++ b/core/combo/TARGET_linux-arm64.mk
@@ -106,10 +106,10 @@
 #
 TARGET_GLOBAL_CFLAGS += -Wno-psabi
 
-# TODO - temporarily remove "-Wl,-z,relro -Wl,-z,now" as they cause segmentation fault on the
-# v8 foundation model.
 TARGET_GLOBAL_LDFLAGS += \
 			-Wl,-z,noexecstack \
+			-Wl,-z,relro \
+			-Wl,-z,now \
 			-Wl,--warn-shared-textrel \
 			-Wl,--fatal-warnings \
 			-Wl,-maarch64linux \
@@ -165,6 +165,7 @@
 	-nostdlib -Wl,-soname,$(notdir $@) \
 	-Wl,--gc-sections \
 	-Wl,-shared,-Bsymbolic \
+	-shared \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
 	$(PRIVATE_ALL_OBJECTS) \
@@ -181,7 +182,7 @@
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
 	$(PRIVATE_LDLIBS)
 endef
@@ -208,7 +209,7 @@
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
 	$(PRIVATE_LDLIBS)
 endef
@@ -231,7 +232,7 @@
 	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
 	$(PRIVATE_TARGET_FDO_LIB) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	-Wl,--end-group \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
 endef
diff --git a/core/combo/TARGET_linux-mips.mk b/core/combo/TARGET_linux-mips.mk
index 8826ce2..f52c375 100644
--- a/core/combo/TARGET_linux-mips.mk
+++ b/core/combo/TARGET_linux-mips.mk
@@ -218,6 +218,7 @@
 	-nostdlib -Wl,-soname,$(notdir $@) \
 	-Wl,--gc-sections \
 	-Wl,-shared,-Bsymbolic \
+	-shared \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
 	$(PRIVATE_ALL_OBJECTS) \
@@ -227,14 +228,14 @@
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
 	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
 	$(PRIVATE_LDLIBS)
 endef
@@ -254,14 +255,14 @@
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
 	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
 	$(PRIVATE_LDLIBS)
 endef
@@ -284,7 +285,7 @@
 	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
 	$(PRIVATE_TARGET_FDO_LIB) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	-Wl,--end-group \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
 endef
diff --git a/core/combo/TARGET_linux-mips64.mk b/core/combo/TARGET_linux-mips64.mk
index 969aff8..e9f5adb 100644
--- a/core/combo/TARGET_linux-mips64.mk
+++ b/core/combo/TARGET_linux-mips64.mk
@@ -226,6 +226,7 @@
 $(hide) $(PRIVATE_CXX) \
 	-nostdlib -Wl,-soname,$(notdir $@) \
 	-Wl,--gc-sections \
+	-shared \
 	-Wl,-shared,-Bsymbolic \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
@@ -236,14 +237,14 @@
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
 	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
 	$(PRIVATE_LDLIBS)
 endef
@@ -263,14 +264,14 @@
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
 	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
 	$(PRIVATE_LDLIBS)
 endef
@@ -293,7 +294,7 @@
 	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
 	$(PRIVATE_TARGET_FDO_LIB) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	-Wl,--end-group \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
 endef
diff --git a/core/combo/TARGET_linux-x86.mk b/core/combo/TARGET_linux-x86.mk
index 323290a..bc13fb9 100644
--- a/core/combo/TARGET_linux-x86.mk
+++ b/core/combo/TARGET_linux-x86.mk
@@ -192,13 +192,13 @@
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
 	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
 	$(PRIVATE_LDLIBS)
 endef
@@ -219,13 +219,13 @@
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
 	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
 	$(PRIVATE_LDLIBS)
 endef
@@ -246,7 +246,7 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(PRIVATE_TARGET_FDO_LIB) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	-Wl,--end-group \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
 endef
diff --git a/core/combo/TARGET_linux-x86_64.mk b/core/combo/TARGET_linux-x86_64.mk
index bd656e9..e24f548 100644
--- a/core/combo/TARGET_linux-x86_64.mk
+++ b/core/combo/TARGET_linux-x86_64.mk
@@ -197,13 +197,13 @@
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
 	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O))
 endef
 
@@ -223,13 +223,13 @@
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
 	$(PRIVATE_TARGET_FDO_LIB) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
 	-o $@ \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
 	$(PRIVATE_LDLIBS)
 endef
@@ -250,7 +250,7 @@
 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
 	$(PRIVATE_TARGET_FDO_LIB) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
-	$(PRIVATE_TARGET_LIBGCC) \
+	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
 	-Wl,--end-group \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
 	$(PRIVATE_LDLIBS)
diff --git a/core/combo/javac.mk b/core/combo/javac.mk
index 4248af0..7f91aa9 100644
--- a/core/combo/javac.mk
+++ b/core/combo/javac.mk
@@ -1,7 +1,7 @@
 # Selects a Java compiler.
 #
 # Inputs:
-#	CUSTOM_JAVA_COMPILER -- "eclipse", "openjdk". or nothing for the system 
+#	CUSTOM_JAVA_COMPILER -- "eclipse", "openjdk". or nothing for the system
 #                           default
 #	ALTERNATE_JAVAC -- the alternate java compiler to use
 #
@@ -22,6 +22,13 @@
 JAVACC := $(ALTERNATE_JAVAC)
 endif
 
+# The actual compiler can be wrapped by setting the JAVAC_WRAPPER var.
+ifdef JAVAC_WRAPPER
+    ifneq ($(JAVAC_WRAPPER),$(firstword $(JAVACC)))
+        JAVACC := $(JAVAC_WRAPPER) $(JAVACC)
+    endif
+endif
+
 # Whatever compiler is on this system.
 ifeq ($(BUILD_OS), windows)
     COMMON_JAVAC := development/host/windows/prebuilt/javawrap.exe -J-Xmx256m \
diff --git a/core/combo/select.mk b/core/combo/select.mk
index 8234a8f..e18cb1b 100644
--- a/core/combo/select.mk
+++ b/core/combo/select.mk
@@ -92,13 +92,24 @@
   # Check that the executable is here.
   ccache := $(strip $(wildcard $(ccache)))
   ifdef ccache
-    # prepend ccache if necessary
-    ifneq ($(ccache),$(firstword $($(combo_var_prefix)CC)))
-      $(combo_var_prefix)CC := $(ccache) $($(combo_var_prefix)CC)
+    ifndef CC_WRAPPER
+      CC_WRAPPER := $(ccache)
     endif
-    ifneq ($(ccache),$(firstword $($(combo_var_prefix)CXX)))
-      $(combo_var_prefix)CXX := $(ccache) $($(combo_var_prefix)CXX)
+    ifndef CXX_WRAPPER
+      CXX_WRAPPER := $(ccache)
     endif
     ccache =
   endif
 endif
+
+# The C/C++ compiler can be wrapped by setting the CC/CXX_WRAPPER vars.
+ifdef CC_WRAPPER
+  ifneq ($(CC_WRAPPER),$(firstword $($(combo_var_prefix)CC)))
+    $(combo_var_prefix)CC := $(CC_WRAPPER) $($(combo_var_prefix)CC)
+  endif
+endif
+ifdef CXX_WRAPPER
+  ifneq ($(CXX_WRAPPER),$(firstword $($(combo_var_prefix)CXX)))
+    $(combo_var_prefix)CXX := $(CXX_WRAPPER) $($(combo_var_prefix)CXX)
+  endif
+endif
diff --git a/core/config.mk b/core/config.mk
index 79d5985..d56f1f8 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -366,6 +366,8 @@
 BISON := prebuilts/misc/$(BUILD_OS)-$(HOST_PREBUILT_ARCH)/bison/bison
 YACC := $(BISON) -d
 
+YASM := prebuilts/misc/$(BUILD_OS)-$(HOST_PREBUILT_ARCH)/yasm/yasm
+
 DOXYGEN:= doxygen
 AAPT := $(HOST_OUT_EXECUTABLES)/aapt$(HOST_EXECUTABLE_SUFFIX)
 AIDL := $(HOST_OUT_EXECUTABLES)/aidl$(HOST_EXECUTABLE_SUFFIX)
@@ -587,6 +589,9 @@
 # This is the standard way to name a directory containing prebuilt target
 # objects. E.g., prebuilt/$(TARGET_PREBUILT_TAG)/libc.so
 TARGET_PREBUILT_TAG := android-$(TARGET_ARCH)
+ifdef TARGET_2ND_ARCH
+TARGET_2ND_PREBUILT_TAG := android-$(TARGET_2ND_ARCH)
+endif
 
 # Set up RS prebuilt variables for compatibility library
 
diff --git a/core/configure_module_stem.mk b/core/configure_module_stem.mk
index 1560055..48b7787 100644
--- a/core/configure_module_stem.mk
+++ b/core/configure_module_stem.mk
@@ -1,16 +1,20 @@
 my_multilib_stem := $(LOCAL_MODULE_STEM_$(if $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)IS_64_BIT),64,32))
 ifdef my_multilib_stem
-LOCAL_MODULE_STEM := $(my_multilib_stem)
+  my_module_stem := $(my_multilib_stem)
+else ifdef LOCAL_MODULE_STEM
+  my_module_stem := $(LOCAL_MODULE_STEM)
+else
+  my_module_stem := $(LOCAL_MODULE)
 endif
 
-ifndef LOCAL_MODULE_STEM
-  LOCAL_MODULE_STEM := $(LOCAL_MODULE)
+ifdef LOCAL_BUILT_MODULE_STEM
+  my_built_module_stem := $(LOCAL_BUILT_MODULE_STEM)
+else
+  my_built_module_stem := $(my_module_stem)$(LOCAL_MODULE_SUFFIX)
 endif
 
-ifndef LOCAL_BUILT_MODULE_STEM
-  LOCAL_BUILT_MODULE_STEM := $(LOCAL_MODULE_STEM)$(LOCAL_MODULE_SUFFIX)
-endif
-
-ifndef LOCAL_INSTALLED_MODULE_STEM
-  LOCAL_INSTALLED_MODULE_STEM := $(LOCAL_MODULE_STEM)$(LOCAL_MODULE_SUFFIX)
+ifdef LOCAL_INSTALLED_MODULE_STEM
+  my_installed_module_stem := $(LOCAL_INSTALLED_MODULE_STEM)
+else
+  my_installed_module_stem := $(my_module_stem)$(LOCAL_MODULE_SUFFIX)
 endif
diff --git a/core/definitions.mk b/core/definitions.mk
index 11012ec..37a7c70 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -84,8 +84,9 @@
 # Target and host installed module's dependencies on shared libraries.
 # They are list of "<module_name>:<installed_file>:lib1,lib2...".
 TARGET_DEPENDENCIES_ON_SHARED_LIBRARIES :=
-2ND_TARGET_DEPENDENCIES_ON_SHARED_LIBRARIES :=
+$(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_DEPENDENCIES_ON_SHARED_LIBRARIES :=
 HOST_DEPENDENCIES_ON_SHARED_LIBRARIES :=
+$(HOST_2ND_ARCH_VAR_PREFIX)HOST_DEPENDENCIES_ON_SHARED_LIBRARIES :=
 
 # Generated class file names for Android resource.
 # They are escaped and quoted so can be passed safely to a bash command.
@@ -902,7 +903,7 @@
   -a $@ -MD \
   -reflect-c++ \
   $(PRIVATE_RS_FLAGS) \
-  $(foreach inc,$(PRIVATE_RS_INCLUDES),$(addprefix -I , $(inc))) \
+  $(addprefix -I , $(PRIVATE_RS_INCLUDES)) \
   $(PRIVATE_RS_SOURCE_FILES)
 $(hide) mkdir -p $(dir $@)
 $(hide) touch $@
@@ -1038,6 +1039,16 @@
 $(transform-d-to-p)
 endef
 
+# YASM compilation
+define transform-asm-to-o
+@mkdir -p $(dir $@)
+$(hide) $(YASM) \
+    $(addprefix -I , $(PRIVATE_C_INCLUDES)) \
+    -f elf32 -m x86 \
+    $(PRIVATE_ASFLAGS) \
+    -o $@ $<
+endef
+
 ###########################################################
 ## Commands for running gcc to compile an Objective-C file
 ## This should never happen for target builds but this
@@ -1582,10 +1593,14 @@
     -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 .,/,$(pkg))) \
-    | xargs rm -rf)
+$(if $(PRIVATE_JAR_PACKAGES), \
+    $(hide) find $(PRIVATE_CLASS_INTERMEDIATES_DIR) -mindepth 1 -type f \
+        $(foreach pkg, $(PRIVATE_JAR_PACKAGES), \
+            -not -path $(PRIVATE_CLASS_INTERMEDIATES_DIR)/$(subst .,/,$(pkg))/\*) -delete ; \
+        find $(PRIVATE_CLASS_INTERMEDIATES_DIR) -empty -delete)
+$(if $(PRIVATE_JAR_EXCLUDE_PACKAGES), $(hide) rm -rf \
+    $(foreach pkg, $(PRIVATE_JAR_EXCLUDE_PACKAGES), \
+        $(PRIVATE_CLASS_INTERMEDIATES_DIR)/$(subst .,/,$(pkg))))
 $(if $(PRIVATE_RMTYPEDEFS), $(hide) $(RMTYPEDEFS) -v $(PRIVATE_CLASS_INTERMEDIATES_DIR))
 $(if $(PRIVATE_JAR_MANIFEST), \
     $(hide) sed -e 's/%BUILD_NUMBER%/$(BUILD_NUMBER)/' \
@@ -1638,10 +1653,14 @@
     -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 .,/,$(pkg))) \
-    | xargs rm -rf)
+$(if $(PRIVATE_JAR_PACKAGES), \
+    $(hide) find $(PRIVATE_CLASS_INTERMEDIATES_DIR) -mindepth 1 -type f \
+        $(foreach pkg, $(PRIVATE_JAR_PACKAGES), \
+            -not -path $(PRIVATE_CLASS_INTERMEDIATES_DIR)/$(subst .,/,$(pkg))/\*) -delete ; \
+        find $(PRIVATE_CLASS_INTERMEDIATES_DIR) -empty -delete)
+$(if $(PRIVATE_JAR_EXCLUDE_PACKAGES), $(hide) rm -rf \
+    $(foreach pkg, $(PRIVATE_JAR_EXCLUDE_PACKAGES), \
+        $(PRIVATE_CLASS_INTERMEDIATES_DIR)/$(subst .,/,$(pkg))))
 $(if $(PRIVATE_RMTYPEDEFS), $(hide) $(RMTYPEDEFS) -v $(PRIVATE_CLASS_INTERMEDIATES_DIR))
 $(if $(PRIVATE_JAR_MANIFEST), \
     $(hide) sed -e 's/%BUILD_NUMBER%/$(BUILD_NUMBER)/' \
@@ -2117,20 +2136,6 @@
 endef
 
 ###########################################################
-## Expand a module name list with REQUIRED modules
-###########################################################
-# $(1): The variable name that holds the initial module name list.
-#       the variable will be modified to hold the expanded results.
-# $(2): The initial module name list.
-# Returns empty string (maybe with some whitespaces).
-define expand-required-modules
-$(eval _erm_new_modules := $(sort $(filter-out $($(1)),\
-  $(foreach m,$(2),$(ALL_MODULES.$(m).REQUIRED)))))\
-$(if $(_erm_new_modules),$(eval $(1) += $(_erm_new_modules))\
-  $(call expand-required-modules,$(1),$(_erm_new_modules)))
-endef
-
-###########################################################
 ## API Check
 ###########################################################
 
diff --git a/core/dex_preopt_libart.mk b/core/dex_preopt_libart.mk
index 7d8cee0..411af75 100644
--- a/core/dex_preopt_libart.mk
+++ b/core/dex_preopt_libart.mk
@@ -6,20 +6,15 @@
 DEX2OAT := $(HOST_OUT_EXECUTABLES)/dex2oat$(HOST_EXECUTABLE_SUFFIX)
 DEX2OATD := $(HOST_OUT_EXECUTABLES)/dex2oatd$(HOST_EXECUTABLE_SUFFIX)
 
-LIBART_COMPILER := $(HOST_OUT_SHARED_LIBRARIES)/libart-compiler$(HOST_SHLIB_SUFFIX)
-LIBARTD_COMPILER := $(HOST_OUT_SHARED_LIBRARIES)/libartd-compiler$(HOST_SHLIB_SUFFIX)
-
 # By default, do not run rerun dex2oat if the tool changes.
 # Comment out the | to force dex2oat to rerun on after all changes.
 DEX2OAT_DEPENDENCY := art/runtime/oat.cc # dependency on oat version number
 DEX2OAT_DEPENDENCY += art/runtime/image.cc # dependency on image version number
 DEX2OAT_DEPENDENCY += |
 DEX2OAT_DEPENDENCY += $(DEX2OAT)
-DEX2OAT_DEPENDENCY += $(LIBART_COMPILER)
 
 DEX2OATD_DEPENDENCY := $(DEX2OAT_DEPENDENCY)
 DEX2OATD_DEPENDENCY += $(DEX2OATD)
-DEX2OATD_DEPENDENCY += $(LIBARTD_COMPILER)
 
 PRELOADED_CLASSES := frameworks/base/preloaded-classes
 
diff --git a/core/dynamic_binary.mk b/core/dynamic_binary.mk
index e538d1e..396199c 100644
--- a/core/dynamic_binary.mk
+++ b/core/dynamic_binary.mk
@@ -26,7 +26,7 @@
 # The basename of this target must be the same as the final output
 # binary name, because it's used to set the "soname" in the binary.
 # The includer of this file will define a rule to build this target.
-linked_module := $(guessed_intermediates)/LINKED/$(LOCAL_BUILT_MODULE_STEM)
+linked_module := $(guessed_intermediates)/LINKED/$(my_built_module_stem)
 
 ALL_ORIGINAL_DYNAMIC_BINARIES += $(linked_module)
 
@@ -57,7 +57,7 @@
 
 ifeq ($(LOCAL_COMPRESS_MODULE_SYMBOLS),true)
 $(error Symbol compression not yet supported.)
-compress_output := $(intermediates)/COMPRESSED-$(LOCAL_BUILT_MODULE_STEM)
+compress_output := $(intermediates)/COMPRESSED-$(my_built_module_stem)
 
 #TODO: write the real $(STRIPPER) rule.
 #TODO: define a rule to build TARGET_SYMBOL_FILTER_FILE, and
@@ -79,7 +79,7 @@
 my_unstripped_path := $(LOCAL_UNSTRIPPED_PATH)
 endif
 symbolic_input := $(compress_output)
-symbolic_output := $(my_unstripped_path)/$(LOCAL_INSTALLED_MODULE_STEM)
+symbolic_output := $(my_unstripped_path)/$(my_installed_module_stem)
 $(symbolic_output) : $(symbolic_input) | $(ACP)
 	@echo "target Symbolic: $(PRIVATE_MODULE) ($@)"
 	$(copy-file-to-target)
diff --git a/core/envsetup.mk b/core/envsetup.mk
index 2da9d8d..974647e 100644
--- a/core/envsetup.mk
+++ b/core/envsetup.mk
@@ -67,24 +67,32 @@
 $(error Unable to determine HOST_OS from uname -sm: $(UNAME)!)
 endif
 
+# TODO: Replace BUILD_HOST_64bit with a flag that forces 32-bit build,
+# after we default to 64-bit host build.
+ifeq (,$(BUILD_HOST_64bit))
+# Default to 32-bit-by-default multilib host build.
+HOST_PREFER_32_BIT := true
+ifeq ($(HOST_PREFER_32_BIT),true)
+BUILD_HOST_64bit := true
+endif
+endif
 
 # HOST_ARCH
 ifneq (,$(findstring x86_64,$(UNAME)))
-  # TODO: Replace BUILD_HOST_64bit with a flag that forces 32-bit build,
-  # after we default to 64-bit host build.
-  ifeq (,$(BUILD_HOST_64bit))
-    HOST_ARCH := x86
-    HOST_2ND_ARCH :=
-  else
-    HOST_ARCH := x86_64
-    HOST_2ND_ARCH := x86
-  endif
+  HOST_ARCH := x86_64
+  HOST_2ND_ARCH := x86
 else ifneq (,$(findstring 86,$(UNAME)))
   # It's not officially supported!
   HOST_ARCH := x86
   HOST_2ND_ARCH :=
 endif
 
+ifeq ($(HOST_PREFER_32_BIT),true)
+SDK_HOST_ARCH := x86
+else
+SDK_HOST_ARCH := $(HOST_ARCH)
+endif
+
 BUILD_ARCH := $(HOST_ARCH)
 BUILD_2ND_ARCH := $(HOST_2ND_ARCH)
 
@@ -230,9 +238,18 @@
 HOST_2ND_ARCH_MODULE_SUFFIX := _32
 $(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_INTERMEDIATES := $(HOST_OUT)/obj32
 $(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_INTERMEDIATE_LIBRARIES := $($(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_INTERMEDIATES)/lib
+ifeq ($(HOST_PREFER_32_BIT),true)
+# To keep path compatibility, put 32-bit libs in lib/ and 64-bit libs in lib64/.
+HOST_OUT_SHARED_LIBRARIES := $(HOST_OUT)/lib64
+$(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_SHARED_LIBRARIES := $(HOST_OUT)/lib
+else
 $(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_SHARED_LIBRARIES := $(HOST_OUT)/lib32
+endif
 $(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_EXECUTABLES := $(HOST_OUT_EXECUTABLES)
 
+# The default host library path.
+# It always points to the path where we build libraries in the default bitness.
+HOST_LIBRARY_PATH := $(HOST_OUT)/lib
 
 TARGET_OUT_INTERMEDIATES := $(PRODUCT_OUT)/obj
 TARGET_OUT_HEADERS := $(TARGET_OUT_INTERMEDIATES)/include
@@ -262,8 +279,8 @@
 TARGET_OUT_FAKE := $(PRODUCT_OUT)/fake_packages
 
 # Out for TARGET_2ND_ARCH
-TARGET_2ND_ARCH_VAR_PREFIX := 2ND_
-TARGET_2ND_ARCH_MODULE_SUFFIX := _32
+TARGET_2ND_ARCH_VAR_PREFIX := $(HOST_2ND_ARCH_VAR_PREFIX)
+TARGET_2ND_ARCH_MODULE_SUFFIX := $(HOST_2ND_ARCH_MODULE_SUFFIX)
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATES := $(PRODUCT_OUT)/obj_$(TARGET_2ND_ARCH)
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATE_LIBRARIES := $($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATES)/lib
 $(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_SHARED_LIBRARIES := $(TARGET_OUT)/lib
diff --git a/core/host_dalvik_java_library.mk b/core/host_dalvik_java_library.mk
index a79d64d..5024086 100644
--- a/core/host_dalvik_java_library.mk
+++ b/core/host_dalvik_java_library.mk
@@ -67,6 +67,7 @@
 $(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(LOCAL_JAVACFLAGS)
 $(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_FILES :=
 $(full_classes_compiled_jar): PRIVATE_JAR_PACKAGES :=
+$(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_PACKAGES :=
 $(full_classes_compiled_jar): PRIVATE_RMTYPEDEFS :=
 $(full_classes_compiled_jar): $(java_sources) $(java_resource_sources) $(full_java_lib_deps) \
         $(jar_manifest_file) $(proto_java_sources_file_stamp) $(LOCAL_ADDITIONAL_DEPENDENCIES)
diff --git a/core/host_executable.mk b/core/host_executable.mk
index 874bf87..bf3cde1 100644
--- a/core/host_executable.mk
+++ b/core/host_executable.mk
@@ -2,10 +2,16 @@
 my_prefix := HOST_
 include $(BUILD_SYSTEM)/multilib.mk
 
+ifndef LOCAL_MODULE_HOST_ARCH
 ifndef my_module_multilib
+ifeq ($(HOST_PREFER_32_BIT),true)
+my_module_multilib := 32
+else
 # By default we only build host module for the first arch.
 my_module_multilib := first
 endif
+endif
+endif
 
 ifeq ($(my_module_multilib),both)
 ifeq ($(LOCAL_MODULE_PATH_32)$(LOCAL_MODULE_STEM_32),)
@@ -33,9 +39,6 @@
 OVERRIDE_BUILT_MODULE_PATH :=
 LOCAL_BUILT_MODULE :=
 LOCAL_INSTALLED_MODULE :=
-LOCAL_MODULE_STEM :=
-LOCAL_BUILT_MODULE_STEM :=
-LOCAL_INSTALLED_MODULE_STEM :=
 LOCAL_INTERMEDIATE_TARGETS :=
 
 include $(BUILD_SYSTEM)/host_executable_internal.mk
diff --git a/core/host_java_library.mk b/core/host_java_library.mk
index 2a8f18f..7e0e437 100644
--- a/core/host_java_library.mk
+++ b/core/host_java_library.mk
@@ -77,6 +77,7 @@
 $(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(LOCAL_JAVACFLAGS)
 $(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_FILES :=
 $(full_classes_compiled_jar): PRIVATE_JAR_PACKAGES :=
+$(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_PACKAGES :=
 $(full_classes_compiled_jar): PRIVATE_RMTYPEDEFS :=
 $(full_classes_compiled_jar): $(java_sources) $(java_resource_sources) $(full_java_lib_deps) \
 		$(jar_manifest_file) $(proto_java_sources_file_stamp) $(LOCAL_ADDITIONAL_DEPENDENCIES)
diff --git a/core/host_shared_library.mk b/core/host_shared_library.mk
index de5e6ad..438a9ce 100644
--- a/core/host_shared_library.mk
+++ b/core/host_shared_library.mk
@@ -1,10 +1,16 @@
 my_prefix := HOST_
 include $(BUILD_SYSTEM)/multilib.mk
 
+ifndef LOCAL_MODULE_HOST_ARCH
 ifndef my_module_multilib
+ifeq ($(HOST_PREFER_32_BIT),true)
+my_module_multilib := 32
+else
 # By default we only build host module for the first arch.
 my_module_multilib := first
 endif
+endif
+endif
 
 LOCAL_2ND_ARCH_VAR_PREFIX :=
 include $(BUILD_SYSTEM)/module_arch_supported.mk
@@ -21,9 +27,6 @@
 OVERRIDE_BUILT_MODULE_PATH :=
 LOCAL_BUILT_MODULE :=
 LOCAL_INSTALLED_MODULE :=
-LOCAL_MODULE_STEM :=
-LOCAL_BUILT_MODULE_STEM :=
-LOCAL_INSTALLED_MODULE_STEM :=
 LOCAL_INTERMEDIATE_TARGETS :=
 
 include $(BUILD_SYSTEM)/host_shared_library_internal.mk
diff --git a/core/host_static_library.mk b/core/host_static_library.mk
index ab3f16e..74ac2ea 100644
--- a/core/host_static_library.mk
+++ b/core/host_static_library.mk
@@ -1,10 +1,16 @@
 my_prefix := HOST_
 include $(BUILD_SYSTEM)/multilib.mk
 
+ifndef LOCAL_MODULE_HOST_ARCH
 ifndef my_module_multilib
+ifeq ($(HOST_PREFER_32_BIT),true)
+my_module_multilib := 32
+else
 # By default we only build host module for the first arch.
 my_module_multilib := first
 endif
+endif
+endif
 
 LOCAL_2ND_ARCH_VAR_PREFIX :=
 include $(BUILD_SYSTEM)/module_arch_supported.mk
@@ -21,9 +27,6 @@
 OVERRIDE_BUILT_MODULE_PATH :=
 LOCAL_BUILT_MODULE :=
 LOCAL_INSTALLED_MODULE :=
-LOCAL_MODULE_STEM :=
-LOCAL_BUILT_MODULE_STEM :=
-LOCAL_INSTALLED_MODULE_STEM :=
 LOCAL_INTERMEDIATE_TARGETS :=
 
 include $(BUILD_SYSTEM)/host_static_library_internal.mk
diff --git a/core/install_jni_libs.mk b/core/install_jni_libs.mk
index b9e70b1..700d106 100644
--- a/core/install_jni_libs.mk
+++ b/core/install_jni_libs.mk
@@ -36,7 +36,7 @@
 endif
 
 # App-specific lib path.
-my_app_lib_path :=  $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET$(partition_tag)_OUT_SHARED_LIBRARIES)/$(basename $(LOCAL_INSTALLED_MODULE_STEM))
+my_app_lib_path :=  $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET$(partition_tag)_OUT_SHARED_LIBRARIES)/$(basename $(my_installed_module_stem))
 my_extracted_jni_libs :=
 
 ifdef my_embed_jni
diff --git a/core/java.mk b/core/java.mk
index ac481ee..8afa748 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -332,6 +332,7 @@
 $(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_JAR_EXCLUDE_PACKAGES := $(LOCAL_JAR_EXCLUDE_PACKAGES)
 $(full_classes_compiled_jar): PRIVATE_RMTYPEDEFS := $(LOCAL_RMTYPEDEFS)
 $(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) $(full_java_lib_deps) \
diff --git a/core/main.mk b/core/main.mk
index da05548..ec26949 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -565,7 +565,6 @@
 # brought in as requirements of other modules.
 #
 # Resolve the required module name to 32-bit or 64-bit variant.
-ifeq ($(TARGET_IS_64_BIT),true)
 # Get a list of corresponding 32-bit module names, if one exists.
 define get-32-bit-modules
 $(strip $(foreach m,$(1),\
@@ -595,12 +594,10 @@
         $(eval r_r := $(r) $(call get-32-bit-modules,$(r)))\
        )\
      )\
-     $(eval ALL_MODULES.$(m).REQUIRED := $(r_r))\
+     $(eval ALL_MODULES.$(m).REQUIRED := $(strip $(r_r)))\
   )\
 )
 r_r :=
-endif
-
 
 define add-required-deps
 $(1): | $(2)
@@ -626,29 +623,36 @@
 t_r :=
 h_r :=
 
-# Resolve the dependencies on shared libraries.
-$(foreach m,$(TARGET_DEPENDENCIES_ON_SHARED_LIBRARIES), \
-  $(eval p := $(subst :,$(space),$(m))) \
-  $(eval r := $(filter $(TARGET_OUT_ROOT)/%,$(call module-installed-files,\
-    $(subst $(comma),$(space),$(lastword $(p)))))) \
-  $(eval $(call add-required-deps,$(word 2,$(p)),$(r))))
-$(foreach m,$(HOST_DEPENDENCIES_ON_SHARED_LIBRARIES), \
-  $(eval p := $(subst :,$(space),$(m))) \
-  $(eval r := $(filter $(HOST_OUT_ROOT)/%,$(call module-installed-files,\
-    $(subst $(comma),$(space),$(lastword $(p)))))) \
-  $(eval $(call add-required-deps,$(word 2,$(p)),$(r))))
+# Establish the dependecies on the shared libraries.
+# It also adds the shared library module names to ALL_MODULES.$(m).REQUIRED,
+# so they can be expanded to product_MODULES later.
+# $(1): TARGET_ or HOST_.
+# $(2): non-empty for 2nd arch.
+define resolve-shared-libs-depes
+$(foreach m,$($(if $(2),$($(1)2ND_ARCH_VAR_PREFIX))$(1)DEPENDENCIES_ON_SHARED_LIBRARIES),\
+  $(eval p := $(subst :,$(space),$(m)))\
+  $(eval mod := $(firstword $(p)))\
+  $(eval deps := $(subst $(comma),$(space),$(lastword $(p))))\
+  $(if $(2),$(eval deps := $(addsuffix $($(1)2ND_ARCH_MODULE_SUFFIX),$(deps))))\
+  $(eval r := $(filter $($(1)OUT_ROOT)/%,$(call module-installed-files,\
+    $(deps))))\
+  $(eval $(call add-required-deps,$(word 2,$(p)),$(r)))\
+  $(eval ALL_MODULES.$(mod).REQUIRED += $(deps)))
+endef
+
+$(call resolve-shared-libs-depes,TARGET_)
 ifdef TARGET_2ND_ARCH
-$(foreach m,$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_DEPENDENCIES_ON_SHARED_LIBRARIES), \
-  $(eval p := $(subst :,$(space),$(m))) \
-  $(eval r := $(filter $(TARGET_OUT_ROOT)/%,$(call module-installed-files,\
-    $(addsuffix $(TARGET_2ND_ARCH_MODULE_SUFFIX), \
-      $(subst $(comma),$(space),$(lastword $(p))))))) \
-  $(eval $(call add-required-deps,$(word 2,$(p)),$(r))))
+$(call resolve-shared-libs-depes,TARGET_,true)
+endif
+$(call resolve-shared-libs-depes,HOST_)
+ifdef HOST_2ND_ARCH
+$(call resolve-shared-libs-depes,HOST_,true)
 endif
 
 m :=
 r :=
 p :=
+deps :=
 add-required-deps :=
 
 # -------------------------------------------------------------------
@@ -657,6 +661,20 @@
 # Of the modules defined by the component makefiles,
 # determine what we actually want to build.
 
+###########################################################
+## Expand a module name list with REQUIRED modules
+###########################################################
+# $(1): The variable name that holds the initial module name list.
+#       the variable will be modified to hold the expanded results.
+# $(2): The initial module name list.
+# Returns empty string (maybe with some whitespaces).
+define expand-required-modules
+$(eval _erm_new_modules := $(sort $(filter-out $($(1)),\
+  $(foreach m,$(2),$(ALL_MODULES.$(m).REQUIRED)))))\
+$(if $(_erm_new_modules),$(eval $(1) += $(_erm_new_modules))\
+  $(call expand-required-modules,$(1),$(_erm_new_modules)))
+endef
+
 ifdef FULL_BUILD
   # The base list of modules to build for this product is specified
   # by the appropriate product definition file, which was included
@@ -670,17 +688,14 @@
   modules_32 := $(patsubst %:32,%,$(filter %:32, $(product_MODULES)))
   modules_64 := $(patsubst %:64,%,$(filter %:64, $(product_MODULES)))
   modules_rest := $(filter-out %:32 %:64,$(product_MODULES))
-  ifeq ($(TARGET_IS_64_BIT),true)
-    product_MODULES := $(addsuffix $(TARGET_2ND_ARCH_MODULE_SUFFIX),$(modules_32))
-    product_MODULES += $(modules_64)
-    # For the rest we add both
-    product_MODULES += $(call get-32-bit-modules, $(modules_rest))
-    product_MODULES += $(modules_rest)
-  else
-    product_MODULES := $(modules_32) $(modules_64) $(modules_rest)
-  endif
+  product_MODULES := $(addsuffix $(TARGET_2ND_ARCH_MODULE_SUFFIX),$(modules_32))
+  product_MODULES += $(modules_64)
+  # For the rest we add both
+  product_MODULES += $(call get-32-bit-modules, $(modules_rest))
+  product_MODULES += $(modules_rest)
 
   $(call expand-required-modules,product_MODULES,$(product_MODULES))
+
   product_FILES := $(call module-installed-files, $(product_MODULES))
   ifeq (0,1)
     $(info product_FILES for $(TARGET_DEVICE) ($(INTERNAL_PRODUCT)):)
@@ -747,7 +762,7 @@
   # TODO: Should we do this for all builds and not just the sdk?
   dangling_modules :=
   $(foreach m, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES), \
-    $(if $(strip $(ALL_MODULES.$(m).INSTALLED)),,\
+    $(if $(strip $(ALL_MODULES.$(m).INSTALLED) $(ALL_MODULES.$(m)$(TARGET_2ND_ARCH_MODULE_SUFFIX).INSTALLED)),,\
       $(eval dangling_modules += $(m))))
   ifneq ($(TARGET_IS_64_BIT),true)
     # We know those 64-bit modules don't exist in the 32-bit SDK build.
diff --git a/core/native_test.mk b/core/native_test.mk
index fc08f79..93b7e1a 100644
--- a/core/native_test.mk
+++ b/core/native_test.mk
@@ -5,4 +5,10 @@
 
 include $(BUILD_SYSTEM)/target_test_internal.mk
 
+ifndef LOCAL_MULTILIB
+ifndef LOCAL_32_BIT_ONLY
+LOCAL_MULTILIB := both
+endif
+endif
+
 include $(BUILD_EXECUTABLE)
diff --git a/core/prebuilt_internal.mk b/core/prebuilt_internal.mk
index b248e1f..08d33d5 100644
--- a/core/prebuilt_internal.mk
+++ b/core/prebuilt_internal.mk
@@ -92,7 +92,7 @@
 ifdef LOCAL_INSTALLED_MODULE
 ifdef LOCAL_SHARED_LIBRARIES
 $(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)DEPENDENCIES_ON_SHARED_LIBRARIES += \
-  $(LOCAL_MODULE):$(LOCAL_INSTALLED_MODULE):$(subst $(space),$(comma),$(LOCAL_SHARED_LIBRARIES))
+  $(my_register_name):$(LOCAL_INSTALLED_MODULE):$(subst $(space),$(comma),$(LOCAL_SHARED_LIBRARIES))
 
 # We also need the LOCAL_BUILT_MODULE dependency,
 # since we use -rpath-link which points to the built module's path.
diff --git a/core/product.mk b/core/product.mk
index 5693fe9..6a6327d 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -254,7 +254,8 @@
 	BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE \
 	BOARD_CACHEIMAGE_PARTITION_SIZE \
 	BOARD_FLASH_BLOCK_SIZE \
-	BOARD_SYSTEMIMAGE_PARTITION_SIZE \
+	BOARD_VENDORIMAGE_PARTITION_SIZE \
+	BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE \
 	BOARD_INSTALLER_CMDLINE \
 
 
diff --git a/core/product_config.mk b/core/product_config.mk
index f7dcb41..8fa5102 100644
--- a/core/product_config.mk
+++ b/core/product_config.mk
@@ -164,13 +164,11 @@
 
 # Default to building dalvikvm on hosts that support it...
 ifeq ($(HOST_OS),linux)
-ifneq ($(HOST_ARCH),x86_64)
 # ... or if the if the option is already set
 ifeq ($(WITH_HOST_DALVIK),)
   WITH_HOST_DALVIK := true
 endif
 endif
-endif
 
 # ---------------------------------------------------------------
 # Include the product definitions.
diff --git a/core/target_test_internal.mk b/core/target_test_internal.mk
index 49ea518..87503ea 100644
--- a/core/target_test_internal.mk
+++ b/core/target_test_internal.mk
@@ -19,6 +19,17 @@
 endif
 endif
 
-ifndef LOCAL_MODULE_PATH
-LOCAL_MODULE_PATH := $(TARGET_OUT_DATA_NATIVE_TESTS)/$(LOCAL_MODULE)
+ifdef LOCAL_MODULE_PATH
+$(error $(LOCAL_PATH): Do not set LOCAL_MODULE_PATH when building test $(LOCAL_MODULE))
 endif
+
+ifdef LOCAL_MODULE_PATH_32
+$(error $(LOCAL_PATH): Do not set LOCAL_MODULE_PATH_32 when building test $(LOCAL_MODULE))
+endif
+
+ifdef LOCAL_MODULE_PATH_64
+$(error $(LOCAL_PATH): Do not set LOCAL_MODULE_PATH_64 when building test $(LOCAL_MODULE))
+endif
+
+LOCAL_MODULE_PATH_32 := $(TARGET_OUT_DATA_NATIVE_TESTS)/$(LOCAL_MODULE)
+LOCAL_MODULE_PATH_64 := $(TARGET_OUT_DATA_NATIVE_TESTS)64/$(LOCAL_MODULE)
diff --git a/core/tasks/cts.mk b/core/tasks/cts.mk
index f991a9e..4b008a9 100644
--- a/core/tasks/cts.mk
+++ b/core/tasks/cts.mk
@@ -18,7 +18,7 @@
 cts_name := android-cts
 
 DDMLIB_JAR := $(HOST_OUT_JAVA_LIBRARIES)/ddmlib-prebuilt.jar
-junit_host_jar := $(HOST_OUT_JAVA_LIBRARIES)/junit.jar
+JUNIT_HOST_JAR := $(HOST_OUT_JAVA_LIBRARIES)/junit.jar
 HOSTTESTLIB_JAR := $(HOST_OUT_JAVA_LIBRARIES)/hosttestlib.jar
 TF_JAR := $(HOST_OUT_JAVA_LIBRARIES)/tradefed-prebuilt.jar
 CTS_TF_JAR := $(HOST_OUT_JAVA_LIBRARIES)/cts-tradefed.jar
@@ -48,6 +48,7 @@
 	android.core.tests.libcore.package.harmony_java_text \
 	android.core.tests.libcore.package.harmony_java_util \
 	android.core.tests.libcore.package.harmony_javax_security \
+	android.core.tests.libcore.package.okhttp \
 	android.core.tests.runner
 
 # The list of test packages that apache-harmony-tests (external/apache-harmony/Android.mk)
@@ -67,8 +68,8 @@
 
 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_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) $(ACP)
+$(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_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 $(TMP_DIR)
@@ -95,8 +96,8 @@
 define generate-core-test-description
 @echo "Generate core-test description ("$(notdir $(1))")"
 $(hide) java -Xmx256M \
-	-Xbootclasspath/a:$(PRIVATE_CLASSPATH) \
-	-classpath $(PRIVATE_CLASSPATH):$(HOST_OUT_JAVA_LIBRARIES)/descGen.jar:$(HOST_OUT_JAVA_LIBRARIES)/junit.jar:$(HOST_JDK_TOOLS_JAR) \
+	-Xbootclasspath/a:$(PRIVATE_CLASSPATH):$(JUNIT_HOST_JAR) \
+	-classpath $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar:$(HOST_JDK_TOOLS_JAR) \
 	$(PRIVATE_PARAMS) CollectAllTests $(1) $(2) $(3) "$(4)" $(5) $(6)
 endef
 
@@ -104,15 +105,17 @@
 CONSCRYPT_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,conscrypt,,COMMON)
 BOUNCYCASTLE_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,bouncycastle,,COMMON)
 APACHEXML_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,apache-xml,,COMMON)
-OKHTTP_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,okhttp,,COMMON)
-APACHEHARMONY_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,apache-harmony-tests,,COMMON)
+OKHTTP_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,okhttp-nojarjar,,COMMON)
+OKHTTPTESTS_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,okhttp-tests-nojarjar,,COMMON)
+OKHTTP_REPACKAGED_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,okhttp,,COMMON)
+APACHEHARMONYTESTS_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,apache-harmony-tests,,COMMON)
 SQLITEJDBC_INTERMEDIATES :=$(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)
 JSR166TESTS_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,jsr166-tests,,COMMON)
 CONSCRYPTTESTS_INTERMEDIATES :=$(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:$(APACHEHARMONY_INTERMEDIATES)/classes.jar:$(OKHTTP_INTERMEDIATES)/classes.jar:$(JUNIT_INTERMEDIATES)/classes.jar:$(SQLITEJDBC_INTERMEDIATES)/javalib.jar:$(CORETESTS_INTERMEDIATES)/javalib.jar:$(JSR166TESTS_INTERMEDIATES)/javalib.jar:$(CONSCRYPTTESTS_INTERMEDIATES)/javalib.jar
+GEN_CLASSPATH := $(CORE_INTERMEDIATES)/classes.jar:$(CONSCRYPT_INTERMEDIATES)/classes.jar:$(BOUNCYCASTLE_INTERMEDIATES)/classes.jar:$(APACHEXML_INTERMEDIATES)/classes.jar:$(APACHEHARMONYTESTS_INTERMEDIATES)/classes.jar:$(OKHTTP_INTERMEDIATES)/classes.jar:$(OKHTTPTESTS_INTERMEDIATES)/classes.jar:$(OKHTTP_REPACKAGED_INTERMEDIATES)/classes.jar:$(JUNIT_INTERMEDIATES)/classes.jar:$(SQLITEJDBC_INTERMEDIATES)/javalib.jar:$(CORETESTS_INTERMEDIATES)/javalib.jar:$(JSR166TESTS_INTERMEDIATES)/javalib.jar:$(CONSCRYPTTESTS_INTERMEDIATES)/javalib.jar
 
 CTS_CORE_XMLS := \
 	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.dalvik.xml \
@@ -136,6 +139,7 @@
 	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_logging.xml \
 	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_prefs.xml \
 	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_sql.xml \
+	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.okhttp.xml \
 
 $(CTS_CORE_XMLS): PRIVATE_CLASSPATH:=$(GEN_CLASSPATH)
 # Why does this depend on javalib.jar instead of classes.jar?  Because
@@ -143,7 +147,7 @@
 # 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_DEPS := $(CTS_CORE_CASES) $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(HOST_OUT_JAVA_LIBRARIES)/junit.jar $(CORE_INTERMEDIATES)/javalib.jar $(BOUNCYCASTLE_INTERMEDIATES)/javalib.jar $(APACHEXML_INTERMEDIATES)/javalib.jar $(APACHEHARMONY_INTERMEDIATES)/javalib.jar $(OKHTTP_INTERMEDIATES)/javalib.jar $(SQLITEJDBC_INTERMEDIATES)/javalib.jar $(JUNIT_INTERMEDIATES)/javalib.jar $(CORETESTS_INTERMEDIATES)/javalib.jar $(JSR166TESTS_INTERMEDIATES)/javalib.jar $(CONSCRYPTTESTS_INTERMEDIATES)/javalib.jar build/core/tasks/cts.mk | $(ACP)
+CTS_CORE_XMLS_DEPS := $(CTS_CORE_CASES) $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(JUNIT_HOST_JAR) $(CORE_INTERMEDIATES)/javalib.jar $(BOUNCYCASTLE_INTERMEDIATES)/javalib.jar $(APACHEXML_INTERMEDIATES)/javalib.jar $(APACHEHARMONYTESTS_INTERMEDIATES)/javalib.jar $(OKHTTP_INTERMEDIATES)/javalib.jar $(OKHTTPTESTS_INTERMEDIATES)/javalib.jar $(OKHTTP_REPACKAGED_INTERMEDIATES)/javalib.jar $(SQLITEJDBC_INTERMEDIATES)/javalib.jar $(JUNIT_INTERMEDIATES)/javalib.jar $(CORETESTS_INTERMEDIATES)/javalib.jar $(JSR166TESTS_INTERMEDIATES)/javalib.jar $(CONSCRYPTTESTS_INTERMEDIATES)/javalib.jar build/core/tasks/cts.mk | $(ACP)
 
 $(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.dalvik.xml: $(CTS_CORE_XMLS_DEPS)
 	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
@@ -268,31 +272,37 @@
 	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
 	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_beans,\
 		cts/tests/core/libcore/harmony_beans/AndroidManifest.xml,\
-		$(APACHEHARMONY_INTERMEDIATES)/javalib.jar,com.android.org.apache.harmony.beans,\
+		$(APACHEHARMONYTESTS_INTERMEDIATES)/javalib.jar,com.android.org.apache.harmony.beans,\
 		libcore/expectations external/apache-harmony/Android.mk)
 
 $(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_logging.xml: $(CTS_CORE_XMLS_DEPS)
 	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
 	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_logging,\
 		cts/tests/core/libcore/harmony_logging/AndroidManifest.xml,\
-		$(APACHEHARMONY_INTERMEDIATES)/javalib.jar,com.android.org.apache.harmony.logging,\
+		$(APACHEHARMONYTESTS_INTERMEDIATES)/javalib.jar,com.android.org.apache.harmony.logging,\
 		libcore/expectations external/apache-harmony/Android.mk)
 
-
 $(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_prefs.xml: $(CTS_CORE_XMLS_DEPS)
 	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
 	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_prefs,\
 		cts/tests/core/libcore/harmony_prefs/AndroidManifest.xml,\
-		$(APACHEHARMONY_INTERMEDIATES)/javalib.jar,com.android.org.apache.harmony.prefs,\
+		$(APACHEHARMONYTESTS_INTERMEDIATES)/javalib.jar,com.android.org.apache.harmony.prefs,\
 		libcore/expectations external/apache-harmony/Android.mk)
 
 $(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_sql.xml: $(CTS_CORE_XMLS_DEPS)
 	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
 	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.harmony_sql,\
 		cts/tests/core/libcore/harmony_sql/AndroidManifest.xml,\
-		$(APACHEHARMONY_INTERMEDIATES)/javalib.jar,com.android.org.apache.harmony.sql,\
+		$(APACHEHARMONYTESTS_INTERMEDIATES)/javalib.jar,com.android.org.apache.harmony.sql,\
 		libcore/expectations external/apache-harmony/Android.mk)
 
+$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.okhttp.xml: $(CTS_CORE_XMLS_DEPS)
+	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
+	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.okhttp,\
+		cts/tests/core/libcore/okhttp/AndroidManifest.xml,\
+		$(OKHTTPTESTS_INTERMEDIATES)/javalib.jar,,\
+		libcore/expectations)
+
 # ----- Generate the test descriptions for the vm-tests-tf -----
 #
 CORE_VM_TEST_TF_DESC := $(CTS_TESTCASES_OUT)/android.core.vm-tests-tf.xml
@@ -305,7 +315,7 @@
 
 $(CORE_VM_TEST_TF_DESC): PRIVATE_CLASSPATH:=$(GEN_CLASSPATH)
 # Please see big comment above on why this line depends on javalib.jar instead of classes.jar
-$(CORE_VM_TEST_TF_DESC): $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(HOST_OUT_JAVA_LIBRARIES)/junit.jar $(CORE_INTERMEDIATES)/javalib.jar $(JUNIT_INTERMEDIATES)/javalib.jar $(VMTESTSTF_JAR) $(DDMLIB_JAR) | $(ACP)
+$(CORE_VM_TEST_TF_DESC): $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(JUNIT_HOST_JAR) $(CORE_INTERMEDIATES)/javalib.jar $(JUNIT_INTERMEDIATES)/javalib.jar $(VMTESTSTF_JAR) $(DDMLIB_JAR) | $(ACP)
 	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
 	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.vm-tests-tf,\
 		cts/tests/vm-tests-tf/AndroidManifest.xml,\
diff --git a/core/tasks/vendor_module_check.mk b/core/tasks/vendor_module_check.mk
index 99d3d9e..50fe120 100644
--- a/core/tasks/vendor_module_check.mk
+++ b/core/tasks/vendor_module_check.mk
@@ -27,11 +27,14 @@
         invensense \
         intel \
         lge \
+        moto \
         nvidia \
         nxp \
         qcom \
+        qti \
         samsung \
         samsung_arm \
+        synaptics \
         ti \
         trusted_logic \
         widevine
@@ -39,20 +42,7 @@
 
 ifneq (,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_RESTRICT_VENDOR_FILES))
 
-_vendor_check_modules := $(sort $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES))
-$(call expand-required-modules,_vendor_check_modules,$(_vendor_check_modules))
-
-# Expand the target modules installed via LOCAL_SHARED_LIBRARIES
-# $(1): the list of modules to expand.
-define expand-required-shared-libraries
-$(eval _ersl_new_modules := $(filter $(addsuffix :%,$(1)),$(TARGET_DEPENDENCIES_ON_SHARED_LIBRARIES)))\
-$(eval _ersl_new_modules := $(foreach p,$(_ersl_new_modules),$(word 3,$(subst :,$(space),$(p)))))\
-$(eval _ersl_new_modules := $(sort $(subst $(comma),$(space),$(_ersl_new_modules))))\
-$(eval _ersl_new_modules := $(filter-out $(_vendor_check_modules),$(_ersl_new_modules)))\
-$(if $(_ersl_new_modules),$(eval _vendor_check_modules += $(_ersl_new_modules))\
-  $(call expand-required-shared-libraries,$(_ersl_new_modules)))
-endef
-$(call expand-required-shared-libraries,$(_vendor_check_modules))
+_vendor_check_modules := $(product_MODULES)
 
 _vendor_module_owner_info :=
 # Restrict owners
diff --git a/envsetup.sh b/envsetup.sh
index d0b2106..3419c32 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -121,6 +121,7 @@
 
     # defined in core/config.mk
     targetgccversion=$(get_build_var TARGET_GCC_VERSION)
+    targetgccversion2=$(get_build_var 2ND_TARGET_GCC_VERSION)
     export TARGET_GCC_VERSION=$targetgccversion
 
     # The gcc toolchain does not exists for windows/cygwin. In this case, do not reference it.
@@ -135,7 +136,7 @@
         arm) toolchaindir=arm/arm-linux-androideabi-$targetgccversion/bin
             ;;
         arm64) toolchaindir=aarch64/aarch64-linux-android-$targetgccversion/bin;
-               toolchaindir2=arm/arm-linux-androideabi-$targetgccversion/bin
+               toolchaindir2=arm/arm-linux-androideabi-$targetgccversion2/bin
             ;;
         mips) toolchaindir=mips/mipsel-linux-android-$targetgccversion/bin
             ;;
@@ -171,7 +172,7 @@
 
     export ANDROID_QTOOLS=$T/development/emulator/qtools
     export ANDROID_DEV_SCRIPTS=$T/development/scripts:$T/prebuilts/devtools/tools
-    export ANDROID_BUILD_PATHS=$(get_build_var ANDROID_BUILD_PATHS):$ANDROID_QTOOLS:$ANDROID_TOOLCHAIN:$ANDROID_KERNEL_TOOLCHAIN_PATH$ANDROID_DEV_SCRIPTS:
+    export ANDROID_BUILD_PATHS=$(get_build_var ANDROID_BUILD_PATHS):$ANDROID_QTOOLS:$ANDROID_TOOLCHAIN:$ANDROID_TOOLCHAIN_2ND_ARCH:$ANDROID_KERNEL_TOOLCHAIN_PATH$ANDROID_DEV_SCRIPTS:
 
     # If prebuilts/android-emulator/<system>/ exists, prepend it to our PATH
     # to ensure that the corresponding 'emulator' binaries are used.
@@ -998,6 +999,7 @@
    local OUT_ROOT=$(get_abs_build_var PRODUCT_OUT)
    local OUT_SYMBOLS=$(get_abs_build_var TARGET_OUT_UNSTRIPPED)
    local OUT_SO_SYMBOLS=$(get_abs_build_var TARGET_OUT_SHARED_LIBRARIES_UNSTRIPPED)
+   local OUT_VENDOR_SO_SYMBOLS=$(get_abs_build_var TARGET_OUT_VENDOR_SHARED_LIBRARIES_UNSTRIPPED)
    local OUT_EXE_SYMBOLS=$(get_abs_build_var TARGET_OUT_EXECUTABLES_UNSTRIPPED)
    local PREBUILTS=$(get_abs_build_var ANDROID_PREBUILTS)
    local ARCH=$(get_build_var TARGET_ARCH)
@@ -1062,7 +1064,7 @@
        OUT_SO_SYMBOLS=$OUT_SO_SYMBOLS$USE64BIT
 
        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" "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:$OUT_VENDOR_SO_SYMBOLS:$OUT_VENDOR_SO_SYMBOLS/hw:$OUT_VENDOR_SO_SYMBOLS/egl"
        echo >>"$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" ""
diff --git a/target/board/generic_arm64/BoardConfig.mk b/target/board/generic_arm64/BoardConfig.mk
index c383f87..1493bd9 100644
--- a/target/board/generic_arm64/BoardConfig.mk
+++ b/target/board/generic_arm64/BoardConfig.mk
@@ -23,7 +23,7 @@
 
 TARGET_2ND_ARCH := arm
 TARGET_2ND_ARCH_VARIANT := armv7-a-neon
-TARGET_2ND_CPU_VARIANT := generic
+TARGET_2ND_CPU_VARIANT := cortex-a15
 TARGET_2ND_CPU_ABI := armeabi-v7a
 TARGET_2ND_CPU_ABI2 := armeabi
 
diff --git a/target/board/generic_mips/BoardConfig.mk b/target/board/generic_mips/BoardConfig.mk
index e66ade1..17e241d 100644
--- a/target/board/generic_mips/BoardConfig.mk
+++ b/target/board/generic_mips/BoardConfig.mk
@@ -50,7 +50,7 @@
 USE_OPENGL_RENDERER := true
 
 TARGET_USERIMAGES_USE_EXT4 := true
-BOARD_SYSTEMIMAGE_PARTITION_SIZE := 681574400
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 786432000
 BOARD_USERDATAIMAGE_PARTITION_SIZE := 576716800
 BOARD_CACHEIMAGE_PARTITION_SIZE := 69206016
 BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
diff --git a/target/board/generic_mips64/BoardConfig.mk b/target/board/generic_mips64/BoardConfig.mk
index d879b0d..7452978 100644
--- a/target/board/generic_mips64/BoardConfig.mk
+++ b/target/board/generic_mips64/BoardConfig.mk
@@ -57,7 +57,7 @@
 USE_OPENGL_RENDERER := true
 
 TARGET_USERIMAGES_USE_EXT4 := true
-BOARD_SYSTEMIMAGE_PARTITION_SIZE := 576716800
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 786432000
 BOARD_USERDATAIMAGE_PARTITION_SIZE := 576716800
 BOARD_CACHEIMAGE_PARTITION_SIZE := 69206016
 BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
diff --git a/target/board/generic_x86/BoardConfig.mk b/target/board/generic_x86/BoardConfig.mk
index 727d3db..5277cdc 100644
--- a/target/board/generic_x86/BoardConfig.mk
+++ b/target/board/generic_x86/BoardConfig.mk
@@ -35,7 +35,7 @@
 USE_OPENGL_RENDERER := true
 
 TARGET_USERIMAGES_USE_EXT4 := true
-BOARD_SYSTEMIMAGE_PARTITION_SIZE := 681574400
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 786432000
 BOARD_USERDATAIMAGE_PARTITION_SIZE := 576716800
 BOARD_CACHEIMAGE_PARTITION_SIZE := 69206016
 BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
diff --git a/target/board/generic_x86_64/device.mk b/target/board/generic_x86_64/device.mk
index aa0e5a4..b5b0faf 100755
--- a/target/board/generic_x86_64/device.mk
+++ b/target/board/generic_x86_64/device.mk
@@ -28,8 +28,7 @@
     frameworks/av/media/libstagefright/data/media_codecs_google_audio.xml:system/etc/media_codecs_google_audio.xml \
     frameworks/av/media/libstagefright/data/media_codecs_google_telephony.xml:system/etc/media_codecs_google_telephony.xml \
     frameworks/av/media/libstagefright/data/media_codecs_google_video.xml:system/etc/media_codecs_google_video.xml \
-    device/generic/goldfish/camera/media_codecs.xml:system/etc/media_codecs.xml \
-    system/core/rootdir/init.zygote64.rc:root/init.zygote64.rc
+    device/generic/goldfish/camera/media_codecs.xml:system/etc/media_codecs.xml
 
 PRODUCT_PACKAGES := \
     audio.primary.goldfish \
diff --git a/target/product/base.mk b/target/product/base.mk
index 1560ef4..981f965 100644
--- a/target/product/base.mk
+++ b/target/product/base.mk
@@ -71,6 +71,8 @@
     libskia \
     libsonivox \
     libsoundpool \
+    libsoundtrigger \
+    libsoundtriggerservice \
     libsqlite \
     libstagefright \
     libstagefright_amrnb_common \
diff --git a/target/product/core_base.mk b/target/product/core_base.mk
index 43080e2..f14e53d 100644
--- a/target/product/core_base.mk
+++ b/target/product/core_base.mk
@@ -34,7 +34,6 @@
     libgabi++ \
     libmdnssd \
     libnfc_ndef \
-    libportable \
     libpowermanager \
     libspeexresampler \
     libstagefright_soft_aacdec \
diff --git a/target/product/core_tiny.mk b/target/product/core_tiny.mk
index 87e24e4..4fae840 100644
--- a/target/product/core_tiny.mk
+++ b/target/product/core_tiny.mk
@@ -66,7 +66,10 @@
     screencap \
     sensorservice \
     uiautomator \
-    uncrypt
+    uncrypt \
+    telephony-common \
+    voip-common \
+    mms-common
 
 # The order matters
 PRODUCT_BOOT_JARS := \
@@ -78,6 +81,9 @@
     ext \
     framework \
     framework2 \
+    telephony-common \
+    voip-common \
+    mms-common \
     android.policy \
     services \
     apache-xml \
diff --git a/target/product/embedded.mk b/target/product/embedded.mk
index fbd46d1..82e51dd 100644
--- a/target/product/embedded.mk
+++ b/target/product/embedded.mk
@@ -76,7 +76,8 @@
     file_contexts \
     seapp_contexts \
     property_contexts \
-    mac_permissions.xml
+    mac_permissions.xml \
+    selinux_version
 
 
 PRODUCT_COPY_FILES += \
diff --git a/target/product/full_x86_64.mk b/target/product/full_x86_64.mk
index d9c0c1e..cd401a8 100755
--- a/target/product/full_x86_64.mk
+++ b/target/product/full_x86_64.mk
@@ -23,6 +23,10 @@
 # that isn't a wifi connection. This will instruct init.rc to enable the
 # network connection so that you can use it with ADB
 
+PRODUCT_DEFAULT_PROPERTY_OVERRIDES += ro.zygote=zygote64_32
+PRODUCT_COPY_FILES += system/core/rootdir/init.zygote64_32.rc:root/init.zygote64_32.rc
+
+
 $(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_base_telephony.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/board/generic_x86_64/device.mk)
diff --git a/tools/droiddoc/templates-sdk/assets/css/default.css b/tools/droiddoc/templates-sdk/assets/css/default.css
index 688d048..0bd70a5 100644
--- a/tools/droiddoc/templates-sdk/assets/css/default.css
+++ b/tools/droiddoc/templates-sdk/assets/css/default.css
@@ -895,7 +895,7 @@
   .framed-nexus4-port-216 img {
     width: 216px;
     height: 360px; }
-    
+
 .framed-nexus5-port-span-5 {
   background: transparent url(../images/styles/device_nexus5_blank_port_span5.png) no-repeat
   scroll top left;
@@ -1960,28 +1960,12 @@
 
 /* related resources blocks in checklists */
 
-.rel-resources {
-  margin:10px 0px;
-  border:1px solid #ccc;
-  background-color:rgba(0, 0, 0, 0.027451);
-  border:1px solid #ccc;
-  font-size:13px;
-  color:#6f6f6f;
-}
+/* related resources sections that have dynamic content */
 
-.rel-resources ul {
-padding: .5em 1em 0 1em;
-}
 
-.rel-resources a {
-font-weight:500;
-}
 
-.rel-resources h3 {
-  margin:4px 15px 0px 15px;
-  font-size:13px;
-  font-weight:600;
-  text-transform:uppercase;
+h3.rel-resources {
+margin:1.25em auto;
 }
 
 /* --------------------------------------------------------------------------
@@ -2762,7 +2746,7 @@
 .caption {
   margin: 0.5em 0 2em 0;
   color: #000;
-  font-size: 11.5px; 
+  font-size: 11.5px;
 }
 
 .nolist, .nolist ul, .nolist ol {
@@ -5129,24 +5113,6 @@
 
 /************ DISTRIBUTE PAGES ******************/
 
-/* Article page header line fix */
-.headerLine {
-  overflow: hidden;
-}
-.headerLine h1 {
-  float: left;
-  padding-right: 20px;
-  margin-bottom: 0px;
-  font-size: 20px;
-  color: #363636;
-  padding-top: 70px;
-  margin-top:-60px;
-}
-.headerLine hr {
-  overflow: hidden;
-  margin: 30px 0 0 0;
-}
-
 .article-detail #body-content {
   padding-top: 10px;
 }
@@ -5159,7 +5125,7 @@
   text-transform:uppercase;
   border-bottom:1px solid #CCC;
   padding:8px 0 0 1px;
-  margin-bottom:10px;
+  margin-bottom:14px;
   clear:both;
 }
 
@@ -5381,7 +5347,7 @@
   opacity: 0;
 }
 /* disabled to make way for fade/ellipsis truncation,
-   and the plusone moves up. 
+   and the plusone moves up.
 .resource-card:hover .card-info .description .text {
   padding-right: 70px;
 } */
@@ -6387,12 +6353,4 @@
 div.jd-descr > .resource-widget[data-section=distribute\/tools]
 .section-card-menu .card-info ul li {
   border-top-color: #7e3794 !important;
-}
-
-div.jd-descr > h2:before, h3:before {
-display:block;
-content: "   ";
-margin-top:-60px;
-height: 70px;
-visibility:hidden;
 }
\ No newline at end of file
diff --git a/tools/droiddoc/templates-sdk/assets/js/docs.js b/tools/droiddoc/templates-sdk/assets/js/docs.js
index d8d5732..e626f5a 100644
--- a/tools/droiddoc/templates-sdk/assets/js/docs.js
+++ b/tools/droiddoc/templates-sdk/assets/js/docs.js
@@ -19,7 +19,6 @@
 
 /******  ON LOAD SET UP STUFF *********/
 
-var navBarIsFixed = false;
 $(document).ready(function() {
 
   // load json file for JD doc search suggestions
@@ -218,7 +217,7 @@
     }
   } else if ($("body").hasClass("about")) {
     $("#sticky-header").addClass("about");
-  } 
+  }
 
   // set global variable so we can highlight the sidenav a bit later (such as for google reference)
   // and highlight the sidenav
@@ -347,7 +346,20 @@
   // Set up the course landing pages for Training with class names and descriptions
   if ($('body.trainingcourse').length) {
     var $classLinks = $selListItem.find('ul li a').not('#nav .nav-section .nav-section ul a');
-    var $classDescriptions = $classLinks.attr('description');
+
+    // create an array for all the class descriptions
+    var $classDescriptions = new Array($classLinks.length);
+    var lang = getLangPref();
+    $classLinks.each(function(index) {
+      var langDescr = $(this).attr(lang + "-description");
+      if (typeof langDescr !== 'undefined' && langDescr !== false) {
+        // if there's a class description in the selected language, use that
+        $classDescriptions[index] = langDescr;
+      } else {
+        // otherwise, use the default english description
+        $classDescriptions[index] = $(this).attr("description");
+      }
+    });
 
     var $olClasses  = $('<ol class="class-list"></ol>');
     var $liClass;
@@ -359,7 +371,7 @@
     $classLinks.each(function(index) {
       $liClass  = $('<li></li>');
       $h2Title  = $('<a class="title" href="'+$(this).attr('href')+'"><h2>' + $(this).html()+'</h2><span></span></a>');
-      $pSummary = $('<p class="description">' + $(this).attr('description') + '</p>');
+      $pSummary = $('<p class="description">' + $classDescriptions[index] + '</p>');
 
       $olLessons  = $('<ol class="lesson-list"></ol>');
 
@@ -398,7 +410,7 @@
     var stylesheet = $('link[rel="stylesheet"][class="fullscreen"]');
     setNavBarLeftPos(); // do this even if sidenav isn't fixed because it could become fixed
     // make sidenav behave when resizing the window and side-scolling is a concern
-    if (navBarIsFixed) {
+    if (sticky) {
       if ((stylesheet.attr("disabled") == "disabled") || stylesheet.length == 0) {
         updateSideNavPosition();
       } else {
@@ -482,7 +494,11 @@
     }
   }
 
+  // Resize once loading is finished
   resizeNav();
+  // Check if there's an anchor that we need to scroll into view.
+  // A delay is needed, because some browsers do not immediately scroll down to the anchor
+  window.setTimeout(offsetScrollForSticky, 100);
 
   /* init the language selector based on user cookie for lang */
   loadLangPref();
@@ -894,7 +910,7 @@
 }
 
 /*
- * Displays sticky nav bar on pages when dac header scrolls out of view 
+ * Displays sticky nav bar on pages when dac header scrolls out of view
  */
 $(window).scroll(function(event) {
 
@@ -918,19 +934,19 @@
   if ($("#doc-col").height() < $("#side-nav").height()) {
     shouldBeSticky = false;
   }
+  // Account for horizontal scroll
+  var scrollLeft = $(window).scrollLeft();
+  // When the sidenav is fixed and user scrolls horizontally, reposition the sidenav to match
+  if (sticky && (scrollLeft != prevScrollLeft)) {
+    updateSideNavPosition();
+    prevScrollLeft = scrollLeft;
+  }
 
   // Don't continue if the header is sufficently far away
   // (to avoid intensive resizing that slows scrolling)
   if (sticky == shouldBeSticky) {
     return;
   }
-  // Account for horizontal scroll
-  var scrollLeft = $(window).scrollLeft();
-  // When the sidenav is fixed and user scrolls horizontally, reposition the sidenav to match
-  if (navBarIsFixed && (scrollLeft != prevScrollLeft)) {
-    updateSideNavPosition();
-    prevScrollLeft = scrollLeft;
-  }
 
   // If sticky header visible and position is now near top, hide sticky
   if (sticky && !shouldBeSticky) {
@@ -986,7 +1002,6 @@
       $cardInfo.css({position: 'absolute', bottom:'0px', left:'0px', right:'0px', overflow:'visible'});
     });
 
-    resizeNav();  // must resize once loading is finished
   });
 
 })();
@@ -1821,13 +1836,12 @@
             return false;
         }
     }
-    // Stop here if Google results are showing
+    // If Google results are showing, return true to allow ajax search to execute
     else if ($("#searchResults").is(":visible")) {
-        //If search_results is scrolled out of view, scroll to top on input
+        // Also, if search_results is scrolled out of view, scroll to top to make results visible
         if ((sticky ) && (search.value != "")) {
           $('body,html').animate({scrollTop:0}, '500', 'swing');
         }
-        // if results aren't showing (and text not empty), return true to allow search to execute
         return true;
     }
     // 38 UP ARROW
@@ -2497,6 +2511,24 @@
   }
 }, true);
 
+/* Adjust the scroll position to account for sticky header, only if the hash matches an id */
+function offsetScrollForSticky() {
+  var hash = location.hash;
+  var $matchingElement = $(hash);
+  // If there's no element with the hash as an ID, then look for an <a name=''> with it.
+  if ($matchingElement.length < 1) {
+    $matchingElement = $('a[name="' + hash.substr(1) + '"]');
+  }
+  // Sanity check that hash is a real hash and that there's an element with that ID on the page
+  if ((hash.indexOf("#") == 0) && $matchingElement.length) {
+    // If the position of the target element is near the top of the page (<20px, where we expect it
+    // to be because we need to move it down 60px to become in view), then move it down 60px
+    if (Math.abs($matchingElement.offset().top - $(window).scrollTop()) < 20) {
+      $(window).scrollTop($(window).scrollTop() - 60);
+    }
+  }
+}
+
 // when an event on the browser history occurs (back, forward, load) requery hash and do search
 $(window).hashchange( function(){
   // If the hash isn't a search query or there's an error in the query,
@@ -2506,6 +2538,7 @@
     if (!$("#searchResults").is(":hidden")) {
       hideResults();
     }
+    offsetScrollForSticky();
     return;
   }
 
@@ -2620,7 +2653,7 @@
   }
 
 function updateSidenavFixedWidth() {
-  if (!navBarIsFixed) return;
+  if (!sticky) return;
   $('#devdoc-nav').css({
     'width' : $('#side-nav').css('width'),
     'margin' : $('#side-nav').css('margin')
@@ -2631,7 +2664,7 @@
 }
 
 function updateSidenavFullscreenWidth() {
-  if (!navBarIsFixed) return;
+  if (!sticky) return;
   $('#devdoc-nav').css({
     'width' : $('#side-nav').css('width'),
     'margin' : $('#side-nav').css('margin')
@@ -3348,7 +3381,7 @@
     showing lines that are cut off. This works with the css ellipsis
     classes to fade last text line and apply an ellipsis char. */
 
-    //card text currently uses 15px line height. 
+    //card text currently uses 15px line height.
     var lineHeight = 15;
     $('.card-info .text').ellipsisfade(lineHeight);
   });
@@ -3764,6 +3797,7 @@
           .append($('<div>').addClass('util')))
           .appendTo(this);
     } else {
+      var plusurl = resource.url.indexOf("//") > -1 ? resource.url : "//developer.android.com/" + resource.url;
       $('<div>').addClass('card-info' + (!resource.summary ? ' empty-desc' : ''))
         .append($('<div>').addClass('section').text(section))
         .append($('<div>').addClass('title').html(resource.title))
@@ -3773,7 +3807,7 @@
             .append($('<div>').addClass('g-plusone')
               .attr('data-size', 'small')
               .attr('data-align', 'right')
-              .attr('data-href', resource.url))))
+              .attr('data-href', plusurl))))
             .appendTo(this);
     }
 
diff --git a/tools/droiddoc/templates-sdk/docpage.cs b/tools/droiddoc/templates-sdk/docpage.cs
index 7eae405..3c99f16 100644
--- a/tools/droiddoc/templates-sdk/docpage.cs
+++ b/tools/droiddoc/templates-sdk/docpage.cs
@@ -202,18 +202,6 @@
 <?cs include:"footer.cs" ?>
 </div><!-- end doc-content -->
 
-<!-- Start of Tag -->
-<script type="text/javascript">
-var axel = Math.random() + "";
-var a = axel * 10000000000000;
-document.write('<iframe src="https://2507573.fls.doubleclick.net/activityi;src=2507573;type=other026;cat=googl348;ord=' + a + '?" width="1" height="1" frameborder="0" style="display:none"></iframe>');
-</script>
-<noscript>
-<iframe src="https://2507573.fls.doubleclick.net/activityi;src=2507573;type=other026;cat=googl348;ord=1?" width="1" height="1" frameborder="0" style="display:none"></iframe>
-</noscript>
-<!-- End of Tag -->
-
-
 <?cs include:"trailer.cs" ?>
   <script src="https://developer.android.com/ytblogger_lists_unified.js" type="text/javascript"></script>
   <script src="<?cs var:toroot ?>jd_lists_unified.js" type="text/javascript"></script>
diff --git a/tools/droiddoc/templates-sdk/head_tag.cs b/tools/droiddoc/templates-sdk/head_tag.cs
index 732118f..fb6aa73 100644
--- a/tools/droiddoc/templates-sdk/head_tag.cs
+++ b/tools/droiddoc/templates-sdk/head_tag.cs
@@ -64,15 +64,16 @@
 </script>
 <script src="<?cs var:toroot ?>assets/js/docs.js" type="text/javascript"></script>
 
-<script type="text/javascript">
-  var _gaq = _gaq || [];
-  _gaq.push(['_setAccount', 'UA-5831155-1']);
-  _gaq.push(['_trackPageview']);
+<script>
+  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+  })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
 
-  (function() {
-    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
-    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
-    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
-  })();
+  ga('create', 'UA-5831155-1', 'android.com');
+  ga('create', 'UA-49880327-2', 'android.com', {'name': 'universal'});  // New tracker);
+  ga('send', 'pageview');
+  ga('universal.send', 'pageview'); // Send page view for new tracker.
 </script>
+
 </head>
diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index fea335e..efba1fe 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -498,6 +498,8 @@
   if target.endswith(".img"): target = target[:-4]
   mount_point = "/" + target
 
+  fs_type = None
+  limit = None
   if info_dict["fstab"]:
     if mount_point == "/userdata": mount_point = "/data"
     p = info_dict["fstab"][mount_point]
diff --git a/tools/releasetools/img_from_target_files.py b/tools/releasetools/img_from_target_files.py
index 93092b3..6be5a52 100755
--- a/tools/releasetools/img_from_target_files.py
+++ b/tools/releasetools/img_from_target_files.py
@@ -269,11 +269,14 @@
 
   output_zip = zipfile.ZipFile(args[1], "w", compression=zipfile.ZIP_DEFLATED)
 
-  common.GetBootableImage(
-      "boot.img", "boot.img", OPTIONS.input_tmp, "BOOT").AddToZip(output_zip)
-  common.GetBootableImage(
-      "recovery.img", "recovery.img", OPTIONS.input_tmp,
-      "RECOVERY").AddToZip(output_zip)
+  boot_image = common.GetBootableImage(
+      "boot.img", "boot.img", OPTIONS.input_tmp, "BOOT")
+  if boot_image:
+      boot_image.AddToZip(output_zip)
+  recovery_image = common.GetBootableImage(
+      "recovery.img", "recovery.img", OPTIONS.input_tmp, "RECOVERY")
+  if recovery_image:
+    recovery_image.AddToZip(output_zip)
 
   if not bootable_only:
     AddSystem(output_zip)
diff --git a/tools/releasetools/ota_from_target_files b/tools/releasetools/ota_from_target_files
index 7019c46..9c10b68 100755
--- a/tools/releasetools/ota_from_target_files
+++ b/tools/releasetools/ota_from_target_files
@@ -493,7 +493,7 @@
   if "selinux_fc" in OPTIONS.info_dict:
     WritePolicyConfig(OPTIONS.info_dict["selinux_fc"], output_zip)
 
-  script.ShowProgress(system_progress, 30)
+  script.ShowProgress(system_progress, 0)
   if block_based:
     mapdata, data = img_from_target_files.BuildSystem(
         OPTIONS.input_tmp, OPTIONS.info_dict,
@@ -775,6 +775,7 @@
   device_specific.IncrementalOTA_InstallBegin()
 
   script.Print("Patching system image...")
+  script.ShowProgress(0.9, 0)
   script.Syspatch(system_device,
                   tgt_mapfilename, tgt_sys_sha1,
                   src_mapfilename, src_sys_sha1,
@@ -791,6 +792,7 @@
       # contents of the boot partition, and write it back to the
       # partition.
       script.Print("Patching boot image...")
+      script.ShowProgress(0.1, 10)
       script.ApplyPatch("%s:%s:%d:%s:%d:%s"
                         % (boot_type, boot_device,
                            source_boot.size, source_boot.sha1,
diff --git a/tools/releasetools/sign_target_files_apks b/tools/releasetools/sign_target_files_apks
index 5398cec..0ecb906 100755
--- a/tools/releasetools/sign_target_files_apks
+++ b/tools/releasetools/sign_target_files_apks
@@ -142,6 +142,7 @@
 
 def ProcessTargetFiles(input_tf_zip, output_tf_zip, misc_info,
                        apk_key_map, key_passwords):
+
   maxsize = max([len(os.path.basename(i.filename))
                  for i in input_tf_zip.infolist()
                  if i.filename.endswith('.apk')])
@@ -188,7 +189,7 @@
     elif info.filename in ("SYSTEM/build.prop",
                            "RECOVERY/RAMDISK/default.prop"):
       print "rewriting %s:" % (info.filename,)
-      new_data = RewriteProps(data)
+      new_data = RewriteProps(data, misc_info)
       output_tf_zip.writestr(out_info, new_data)
       if info.filename == "RECOVERY/RAMDISK/default.prop":
         write_to_temp(info.filename, info.external_attr, new_data)
@@ -270,14 +271,20 @@
   return ",".join(sorted(tags))
 
 
-def RewriteProps(data):
+def RewriteProps(data, misc_info):
   output = []
   for line in data.split("\n"):
     line = line.strip()
     original_line = line
-    if line and line[0] != '#':
+    if line and line[0] != '#' and "=" in line:
       key, value = line.split("=", 1)
-      if key == "ro.build.fingerprint":
+      if (key == "ro.build.fingerprint"
+          and misc_info.get("oem_fingerprint_properties") is None):
+        pieces = value.split("/")
+        pieces[-1] = EditTags(pieces[-1])
+        value = "/".join(pieces)
+      elif (key == "ro.build.thumbprint"
+          and misc_info.get("oem_fingerprint_properties") is not None):
         pieces = value.split("/")
         pieces[-1] = EditTags(pieces[-1])
         value = "/".join(pieces)
@@ -291,7 +298,7 @@
       elif key == "ro.build.display.id":
         # change, eg, "JWR66N dev-keys" to "JWR66N"
         value = value.split()
-        if len(value) >  1 and value[-1].endswith("-keys"):
+        if len(value) > 1 and value[-1].endswith("-keys"):
           value.pop()
         value = " ".join(value)
       line = key + "=" + value