Merge "executable_prefer_symlink: add makefile for creating symlink to prefer version"
diff --git a/CleanSpec.mk b/CleanSpec.mk
index ee85995..17fd5d6 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -217,6 +217,9 @@
 # Add ro.product.cpu.abilist{32,64} to build.prop.
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
 
+# Adding dalvik.vm.dex2oat-flags to eng builds
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************
diff --git a/core/Makefile b/core/Makefile
index d223122..471dcb4 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -13,8 +13,6 @@
   FILE_NAME_TAG := $(BUILD_NUMBER)
 endif
 
-is_tests_build := $(filter tests,$(MAKECMDGOALS))
-
 # -----------------------------------------------------------------
 # Define rules to copy PRODUCT_COPY_FILES defined by the product.
 # PRODUCT_COPY_FILES contains words like <source file>:<dest file>[:<owner>].
@@ -797,14 +795,6 @@
     $(PDK_FUSION_SYSIMG_FILES) \
     $(RECOVERY_RESOURCE_ZIP))
 
-ifdef is_tests_build
-# We don't want to install tests modules to the system partition
-# when building "tests", because now "tests" may be built in a user, userdebug
-# or eng build variant and we don't want to pollute the system partition.
-# INTERNAL_SYSTEMIMAGE_FILES += $(filter $(TARGET_OUT)/%, \
-#    $(tests_MODULES))
-endif
-
 FULL_SYSTEMIMAGE_DEPS := $(INTERNAL_SYSTEMIMAGE_FILES) $(INTERNAL_USERIMAGES_DEPS)
 # -----------------------------------------------------------------
 # installed file list
@@ -981,12 +971,6 @@
 INTERNAL_USERDATAIMAGE_FILES := \
     $(filter $(TARGET_OUT_DATA)/%,$(ALL_DEFAULT_INSTALLED_MODULES))
 
-# If we build "tests" at the same time, make sure $(tests_MODULES) get covered.
-ifdef is_tests_build
-INTERNAL_USERDATAIMAGE_FILES += \
-    $(filter $(TARGET_OUT_DATA)/%,$(tests_MODULES))
-endif
-
 # Don't build userdata.img if it's extfs but no partition size
 skip_userdata.img :=
 ifdef INTERNAL_USERIMAGES_EXT_VARIANT
@@ -1362,45 +1346,6 @@
 endif    # TARGET_DEVICE != generic*
 endif    # TARGET_PRODUCT != sdk
 
-ifdef is_tests_build
-# -----------------------------------------------------------------
-# A zip of the tests that are built when running "make tests".
-# This is very similar to BUILT_TARGET_FILES_PACKAGE, but we
-# only grab DATA, and it's called "*-tests-*.zip".
-#
-name := $(TARGET_PRODUCT)
-ifeq ($(TARGET_BUILD_TYPE),debug)
-  name := $(name)_debug
-endif
-name := $(name)-tests-$(FILE_NAME_TAG)
-
-intermediates := $(call intermediates-dir-for,PACKAGING,tests_zip)
-BUILT_TESTS_ZIP_PACKAGE := $(intermediates)/$(name).zip
-$(BUILT_TESTS_ZIP_PACKAGE): intermediates := $(intermediates)
-$(BUILT_TESTS_ZIP_PACKAGE): zip_root := $(intermediates)/$(name)
-
-# Depending on the image dependency files, instead of the image files itself,
-# guarantees that the underlying directories are up-to-date,
-# but don't really build the image.
-$(BUILT_TESTS_ZIP_PACKAGE): \
-    $(INTERNAL_USERDATAIMAGE_FILES) \
-    | $(ACP)
-	@echo "Package test files: $@"
-	$(hide) rm -rf $@ $(zip_root)
-	$(hide) mkdir -p $(dir $@) $(zip_root)
-	@# Contents of the data image
-	$(hide) $(call package_files-copy-root, \
-		$(TARGET_OUT_DATA),$(zip_root)/DATA)
-	$(hide) (cd $(zip_root) && zip -qry ../$(notdir $@) .)
-
-.PHONY: tests
-tests: $(BUILT_TESTS_ZIP_PACKAGE)
-
-ifneq (,$(filter tests, $(MAKECMDGOALS)))
-  $(call dist-for-goals, tests, $(BUILT_TESTS_ZIP_PACKAGE))
-endif
-endif # is_tests_build
-
 # -----------------------------------------------------------------
 # A zip of the symbols directory.  Keep the full paths to make it
 # more obvious where these files came from.
@@ -1546,27 +1491,11 @@
 
 atree_dir := development/build
 
-# sdk/build/tools.atree contains the generic rules, while
-#
-# sdk/build/tools.$(TARGET_ARCH).atree contains target-specific rules
-# the latter is optional.
-#
-sdk_tools_atree_files := sdk/build/tools.atree
-ifneq (,$(strip $(wildcard sdk/build/tools.$(TARGET_ARCH).atree)))
-  sdk_tools_atree_files += sdk/build/tools.$(TARGET_ARCH).atree
-endif
-ifneq (,$(strip $(wildcard sdk/build/tools.$(HOST_OS).atree)))
-  sdk_tools_atree_files += sdk/build/tools.$(HOST_OS).atree
-endif
-ifneq (,$(strip $(wildcard sdk/build/tools.$(HOST_OS)-$(HOST_ARCH).atree)))
-  sdk_tools_atree_files += sdk/build/tools.$(HOST_OS)-$(HOST_ARCH).atree
-endif
 
 sdk_atree_files := \
 	$(atree_dir)/sdk.exclude.atree \
 	$(atree_dir)/sdk.atree \
-	$(atree_dir)/sdk-$(HOST_OS)-$(HOST_ARCH).atree \
-	$(sdk_tools_atree_files)
+	$(atree_dir)/sdk-$(HOST_OS)-$(HOST_ARCH).atree
 
 # development/build/sdk-android-<abi>.atree is used to differentiate
 # between architecture models (e.g. ARMv5TE versus ARMv7) when copying
@@ -1588,7 +1517,6 @@
 	$(INSTALLED_BUILD_PROP_TARGET) \
 	$(ATREE_FILES) \
 	$(atree_dir)/sdk.atree \
-	$(sdk_tools_atree_files) \
 	$(HOST_OUT_EXECUTABLES)/atree \
 	$(HOST_OUT_EXECUTABLES)/line_endings
 
@@ -1631,7 +1559,6 @@
 			-o $(PRIVATE_DIR) && \
 		cp -f $(target_notice_file_txt) \
 				$(PRIVATE_DIR)/system-images/android-$(PLATFORM_VERSION)/$(TARGET_CPU_ABI)/NOTICE.txt && \
-		cp -f $(tools_notice_file_txt) $(PRIVATE_DIR)/tools/NOTICE.txt && \
 		cp -f $(tools_notice_file_txt) $(PRIVATE_DIR)/platform-tools/NOTICE.txt && \
 		HOST_OUT_EXECUTABLES=$(HOST_OUT_EXECUTABLES) HOST_OS=$(HOST_OS) \
 			development/build/tools/sdk_clean.sh $(PRIVATE_DIR) && \
diff --git a/core/base_rules.mk b/core/base_rules.mk
index 673fdd8..c68fba7 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -598,6 +598,12 @@
     $(ALL_MODULES.$(my_register_name).BUILT) $(LOCAL_BUILT_MODULE)
 ALL_MODULES.$(my_register_name).INSTALLED := \
     $(strip $(ALL_MODULES.$(my_register_name).INSTALLED) $(LOCAL_INSTALLED_MODULE))
+ifdef LOCAL_PICKUP_FILES
+# Files or directories ready to pick up by the build system
+# when $(LOCAL_BUILT_MODULE) is done.
+ALL_MODULES.$(my_register_name).PICKUP_FILES := \
+    $(ALL_MODULES.$(my_register_name).PICKUP_FILES) $(LOCAL_PICKUP_FILES)
+endif
 ALL_MODULES.$(my_register_name).REQUIRED := \
     $(strip $(ALL_MODULES.$(my_register_name).REQUIRED) $(LOCAL_REQUIRED_MODULES) \
       $(LOCAL_REQUIRED_MODULES_$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)))
diff --git a/core/clang/config.mk b/core/clang/config.mk
index b8f76f2..c598e7d 100644
--- a/core/clang/config.mk
+++ b/core/clang/config.mk
@@ -31,7 +31,8 @@
   -funswitch-loops \
   -Wno-psabi \
   -Wno-unused-but-set-variable \
-  -Wno-unused-but-set-parameter
+  -Wno-unused-but-set-parameter \
+  -fno-canonical-system-headers
 
 # Clang flags for all host rules
 CLANG_CONFIG_HOST_EXTRA_ASFLAGS :=
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index ea47003..5342fd2 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -13,6 +13,7 @@
 OVERRIDE_BUILT_MODULE_PATH:=
 LOCAL_INSTALLED_MODULE:=
 LOCAL_INSTALLED_MODULE_STEM:=
+LOCAL_PICKUP_FILES:=
 LOCAL_UNINSTALLABLE_MODULE:=
 LOCAL_INTERMEDIATE_TARGETS:=
 LOCAL_UNSTRIPPED_PATH:=
diff --git a/core/combo/HOST_linux-x86.mk b/core/combo/HOST_linux-x86.mk
index 85d536b..1472849 100644
--- a/core/combo/HOST_linux-x86.mk
+++ b/core/combo/HOST_linux-x86.mk
@@ -52,7 +52,8 @@
 endif # BUILD_HOST_static
 
 HOST_GLOBAL_CFLAGS += -fPIC \
-    -include $(call select-android-config-h,linux-x86)
+  -no-canonical-prefixes \
+  -include $(call select-android-config-h,linux-x86)
 
 # Disable new longjmp in glibc 2.11 and later. See bug 2967937.
 HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0
diff --git a/core/combo/TARGET_linux-arm.mk b/core/combo/TARGET_linux-arm.mk
index f698ef5..8c8a01a 100644
--- a/core/combo/TARGET_linux-arm.mk
+++ b/core/combo/TARGET_linux-arm.mk
@@ -103,6 +103,8 @@
 			-Werror=format-security \
 			-D_FORTIFY_SOURCE=2 \
 			-fno-short-enums \
+			-no-canonical-prefixes \
+			-fno-canonical-system-headers \
 			$(arch_variant_cflags) \
 			-include $(android_config_h) \
 			-I $(dir $(android_config_h))
@@ -239,7 +241,8 @@
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBGCC) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O))
+	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
+	$(PRIVATE_LDLIBS)
 endef
 
 define $(combo_2nd_arch_prefix)transform-o-to-executable-inner
@@ -264,7 +267,8 @@
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBGCC) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
+	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
+	$(PRIVATE_LDLIBS)
 endef
 
 define $(combo_2nd_arch_prefix)transform-o-to-static-executable-inner
diff --git a/core/combo/TARGET_linux-arm64.mk b/core/combo/TARGET_linux-arm64.mk
index 6bb3754..6515eb5 100644
--- a/core/combo/TARGET_linux-arm64.mk
+++ b/core/combo/TARGET_linux-arm64.mk
@@ -87,6 +87,8 @@
 			-Werror=format-security \
 			-D_FORTIFY_SOURCE=2 \
 			-fno-short-enums \
+			-no-canonical-prefixes \
+			-fno-canonical-system-headers \
 			$(arch_variant_cflags) \
 			-include $(android_config_h) \
 			-I $(dir $(android_config_h))
@@ -180,7 +182,8 @@
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBGCC) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O))
+	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
+	$(PRIVATE_LDLIBS)
 endef
 
 define transform-o-to-executable-inner
@@ -204,7 +207,8 @@
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBGCC) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
+	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
+	$(PRIVATE_LDLIBS)
 endef
 
 define transform-o-to-static-executable-inner
diff --git a/core/combo/TARGET_linux-mips.mk b/core/combo/TARGET_linux-mips.mk
index ba03b5d..015d46b 100644
--- a/core/combo/TARGET_linux-mips.mk
+++ b/core/combo/TARGET_linux-mips.mk
@@ -90,6 +90,8 @@
 			-Wa,--noexecstack \
 			-Werror=format-security \
 			-D_FORTIFY_SOURCE=2 \
+			-no-canonical-prefixes \
+			-fno-canonical-system-headers \
 			$(arch_variant_cflags) \
 			-include $(android_config_h) \
 			-I $(dir $(android_config_h))
@@ -230,7 +232,8 @@
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBGCC) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O))
+	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
+	$(PRIVATE_LDLIBS)
 endef
 
 define $(combo_2nd_arch_prefix)transform-o-to-executable-inner
@@ -255,7 +258,8 @@
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBGCC) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
+	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
+	$(PRIVATE_LDLIBS)
 endef
 
 define $(combo_2nd_arch_prefix)transform-o-to-static-executable-inner
diff --git a/core/combo/TARGET_linux-mips64.mk b/core/combo/TARGET_linux-mips64.mk
index 969ba10..a7b03b2 100644
--- a/core/combo/TARGET_linux-mips64.mk
+++ b/core/combo/TARGET_linux-mips64.mk
@@ -95,6 +95,8 @@
 			-Wa,--noexecstack \
 			-Werror=format-security \
 			-D_FORTIFY_SOURCE=2 \
+			-no-canonical-prefixes \
+			-fno-canonical-system-headers \
 			$(arch_variant_cflags) \
 			-include $(android_config_h) \
 			-I $(dir $(android_config_h))
@@ -239,7 +241,8 @@
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBGCC) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O))
+	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
+	$(PRIVATE_LDLIBS)
 endef
 
 define transform-o-to-executable-inner
@@ -264,7 +267,8 @@
 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBGCC) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
+	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
+	$(PRIVATE_LDLIBS)
 endef
 
 define transform-o-to-static-executable-inner
diff --git a/core/combo/TARGET_linux-x86.mk b/core/combo/TARGET_linux-x86.mk
index 01f8242..4ebcd93 100644
--- a/core/combo/TARGET_linux-x86.mk
+++ b/core/combo/TARGET_linux-x86.mk
@@ -122,6 +122,8 @@
 			-fstack-protector \
 			-m32 \
 			-msse2 \
+			-no-canonical-prefixes \
+			-fno-canonical-system-headers \
 			-include $(android_config_h) \
 			-I $(dir $(android_config_h))
 
@@ -194,7 +196,8 @@
 	-o $@ \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBGCC) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O))
+	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
+	$(PRIVATE_LDLIBS)
 endef
 
 define $(combo_2nd_arch_prefix)transform-o-to-executable-inner
@@ -219,7 +222,8 @@
 	-o $@ \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBGCC) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
+	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
+	$(PRIVATE_LDLIBS)
 endef
 
 define $(combo_2nd_arch_prefix)transform-o-to-static-executable-inner
diff --git a/core/combo/TARGET_linux-x86_64.mk b/core/combo/TARGET_linux-x86_64.mk
index a5a745b..ee6c6e2 100644
--- a/core/combo/TARGET_linux-x86_64.mk
+++ b/core/combo/TARGET_linux-x86_64.mk
@@ -120,7 +120,9 @@
 			-funswitch-loops \
 			-funwind-tables \
 			-fstack-protector \
-			-m64
+			-m64 \
+			-no-canonical-prefixes \
+			-fno-canonical-system-headers
 
 # Help catch common 32/64-bit errors.
 TARGET_GLOBAL_CFLAGS += \
@@ -224,7 +226,8 @@
 	-o $@ \
 	$(PRIVATE_LDFLAGS) \
 	$(PRIVATE_TARGET_LIBGCC) \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
+	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
+	$(PRIVATE_LDLIBS)
 endef
 
 define transform-o-to-static-executable-inner
@@ -244,5 +247,6 @@
 	$(PRIVATE_TARGET_FDO_LIB) \
 	$(PRIVATE_TARGET_LIBGCC) \
 	-Wl,--end-group \
-	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
+	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
+	$(PRIVATE_LDLIBS)
 endef
diff --git a/core/combo/javac.mk b/core/combo/javac.mk
index 153ab5f..4248af0 100644
--- a/core/combo/javac.mk
+++ b/core/combo/javac.mk
@@ -10,9 +10,9 @@
 #
 
 ifneq ($(LEGACY_USE_JAVA6),)
-common_flags := -target 1.5 -Xmaxerrs 9999999
+common_jdk_flags := -target 1.5 -Xmaxerrs 9999999
 else
-common_flags := -source 1.7 -target 1.7 -Xmaxerrs 9999999
+common_jdk_flags := -source 1.7 -target 1.7 -Xmaxerrs 9999999
 endif
 
 # Use the indexer wrapper to index the codebase instead of the javac compiler
@@ -25,9 +25,9 @@
 # Whatever compiler is on this system.
 ifeq ($(BUILD_OS), windows)
     COMMON_JAVAC := development/host/windows/prebuilt/javawrap.exe -J-Xmx256m \
-        $(common_flags)
+        $(common_jdk_flags)
 else
-    COMMON_JAVAC := $(JAVACC) -J-Xmx1024M $(common_flags)
+    COMMON_JAVAC := $(JAVACC) -J-Xmx1024M $(common_jdk_flags)
 endif
 
 # Eclipse.
diff --git a/core/main.mk b/core/main.mk
index 5175bef..e7a97be 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -228,22 +228,8 @@
 
 
 ifndef BUILD_EMULATOR
-ifeq (darwin,$(HOST_OS))
-GCC_REALPATH = $(realpath $(shell which $(HOST_CC)))
-ifneq ($(findstring llvm-gcc,$(GCC_REALPATH)),)
-  # Using LLVM GCC results in a non functional emulator due to it
-  # not honouring global register variables
-  $(warning ****************************************)
-  $(warning * gcc is linked to llvm-gcc which will *)
-  $(warning * not create a useable emulator.       *)
-  $(warning ****************************************)
+  # Emulator binaries are now provided under prebuilts/android-emulator/
   BUILD_EMULATOR := false
-else
-  BUILD_EMULATOR := true
-endif
-else   # HOST_OS is not darwin
-  BUILD_EMULATOR := true
-endif  # HOST_OS is darwin
 endif
 
 $(shell echo 'VERSIONS_CHECKED := $(VERSION_CHECK_SEQUENCE_NUMBER)' \
@@ -393,6 +379,10 @@
           $(call collapse-pairs, $(ADDITIONAL_BUILD_PROPERTIES))) \
           ro.setupwizard.mode=OPTIONAL
 endif
+# Don't even verify the image on eng builds to speed startup
+ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.image-dex2oat-flags=--compiler-filter=verify-none
+# Don't compile apps on eng builds to speed startup
+ADDITIONAL_BUILD_PROPERTIES += dalvik.vm.dex2oat-flags=--compiler-filter=interpret-only
 endif
 
 ## sdk ##
@@ -1000,7 +990,7 @@
 # umbrella targets to assit engineers in verifying builds
 .PHONY: java native target host java-host java-target native-host native-target \
         java-host-tests java-target-tests native-host-tests native-target-tests \
-        java-tests native-tests host-tests target-tests
+        java-tests native-tests host-tests target-tests tests
 # some synonyms
 .PHONY: host-java target-java host-native target-native \
         target-java-tests target-native-tests
@@ -1010,6 +1000,7 @@
 target-native : native-target
 target-java-tests : java-target-tests
 target-native-tests : native-target-tests
+tests : host-tests target-tests
 
 
 .PHONY: lintall
diff --git a/core/tasks/tools/package-modules.mk b/core/tasks/tools/package-modules.mk
new file mode 100644
index 0000000..19e756a
--- /dev/null
+++ b/core/tasks/tools/package-modules.mk
@@ -0,0 +1,52 @@
+# Package up modules to a zip file.
+# It preserves the install path of the modules' installed files.
+#
+# Input variables:
+#   my_modules: a list of module names
+#   my_package_name: the name of the output zip file.
+# Output variables:
+#   my_package_zip: the path to the output zip file.
+#
+#
+
+my_staging_dir := $(call intermediates-dir-for,PACKAGING,$(my_package_name))
+my_built_modules :=
+my_copy_pairs :=
+my_pickup_files :=
+
+# Search for modules' built files and installed files;
+# Calculate the dest files in the output zip file.
+# If for 1 module name we found multiple installed files,
+# we use suffix matching to find the corresponding built file.
+$(foreach m,$(my_modules),\
+  $(if $(ALL_MODULES.$(m).INSTALLED),,\
+    $(warning Unknown installed file for module '$(m)'))\
+  $(eval my_pickup_files += $(ALL_MODULES.$(m).PICKUP_FILES))\
+  $(foreach i,$(filter $(TARGET_OUT_ROOT)/%,$(ALL_MODULES.$(m).INSTALLED)),\
+    $(eval my_suffix := $(suffix $(i))) \
+    $(if $(my_suffix),\
+      $(eval my_patt := $(TARGET_OUT_ROOT)/%$(my_suffix)),\
+      $(eval my_patt := $(TARGET_OUT_ROOT)/%$(notdir $(i))))\
+    $(eval b := $(filter $(my_patt),$(ALL_MODULES.$(m).BUILT)))\
+    $(if $(filter 1,$(words $(b))),\
+      $(eval my_built_modules += $(b))\
+      $(eval my_copy_dest := $(patsubst data/%,DATA/%,\
+                               $(patsubst system/%,SYSTEM/%,\
+                                 $(patsubst $(PRODUCT_OUT)/%,%,$(i)))))\
+      $(eval my_copy_pairs += $(b):$(my_staging_dir)/$(my_copy_dest)),\
+      $(warning Unexpected module built file '$(b)' for module '$(m)'))\
+  ))
+
+my_package_zip := $(my_staging_dir)/$(my_package_name).zip
+$(my_package_zip): PRIVATE_COPY_PAIRS := $(my_copy_pairs)
+$(my_package_zip): PRIVATE_PICKUP_FILES := $(my_pickup_files)
+$(my_package_zip) : $(my_built_modules)
+	@echo "Package $@"
+	@rm -rf $(dir $@) && mkdir -p $(dir $@)
+	$(hide) $(foreach p, $(PRIVATE_COPY_PAIRS), \
+	  $(eval pair := $(subst :,$(space),$(p)))\
+	  mkdir -p $(dir $(word 2,$(pair))); \
+	  cp -rf $(word 1,$(pair)) $(word 2,$(pair));)
+	$(hide) $(foreach f, $(PRIVATE_PICKUP_FILES), \
+	  cp -rf $(f) $(dir $@);)
+	$(hide) cd $(dir $@) && zip -rq $(notdir $@) *
diff --git a/envsetup.sh b/envsetup.sh
index 60726d3..d026466 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -171,6 +171,25 @@
     export ANDROID_QTOOLS=$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:
+
+    # If prebuilts/android-emulator/<system>/ exists, prepend it to our PATH
+    # to ensure that the corresponding 'emulator' binaries are used.
+    case $(uname -s) in
+        Darwin)
+            ANDROID_EMULATOR_PREBUILTS=$T/prebuilts/android-emulator/darwin-x86_64
+            ;;
+        Linux)
+            ANDROID_EMULATOR_PREBUILTS=$T/prebuilts/android-emulator/linux-x86_64
+            ;;
+        *)
+            ANDROID_EMULATOR_PREBUILTS=
+            ;;
+    esac
+    if [ -n "$ANDROID_EMULATOR_PREBUILTS" -a -d "$ANDROID_EMULATOR_PREBUILTS" ]; then
+        ANDROID_BUILD_PATHS=$ANDROID_EMULATOR_PREBUILTS:$ANDROID_BUILD_PATHS
+        export ANDROID_EMULATOR_PREBUILTS
+    fi
+
     export PATH=$ANDROID_BUILD_PATHS$PATH
 
     unset ANDROID_JAVA_TOOLCHAIN
diff --git a/target/board/generic/BoardConfig.mk b/target/board/generic/BoardConfig.mk
index c672be8..c30cc75 100644
--- a/target/board/generic/BoardConfig.mk
+++ b/target/board/generic/BoardConfig.mk
@@ -69,7 +69,7 @@
 
 TARGET_USERIMAGES_USE_EXT4 := true
 BOARD_SYSTEMIMAGE_PARTITION_SIZE := 576716800
-BOARD_USERDATAIMAGE_PARTITION_SIZE := 209715200
+BOARD_USERDATAIMAGE_PARTITION_SIZE := 576716800
 BOARD_CACHEIMAGE_PARTITION_SIZE := 69206016
 BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
 BOARD_FLASH_BLOCK_SIZE := 512
diff --git a/target/board/generic_arm64/BoardConfig.mk b/target/board/generic_arm64/BoardConfig.mk
index 1768ffc..9d3bcc0 100644
--- a/target/board/generic_arm64/BoardConfig.mk
+++ b/target/board/generic_arm64/BoardConfig.mk
@@ -55,4 +55,3 @@
 BOARD_FLASH_BLOCK_SIZE := 512
 TARGET_USERIMAGES_SPARSE_EXT_DISABLED := true
 
-BUILD_EMULATOR := false
diff --git a/target/board/generic_mips/BoardConfig.mk b/target/board/generic_mips/BoardConfig.mk
index 6d222e6..e66ade1 100644
--- a/target/board/generic_mips/BoardConfig.mk
+++ b/target/board/generic_mips/BoardConfig.mk
@@ -51,7 +51,7 @@
 
 TARGET_USERIMAGES_USE_EXT4 := true
 BOARD_SYSTEMIMAGE_PARTITION_SIZE := 681574400
-BOARD_USERDATAIMAGE_PARTITION_SIZE := 209715200
+BOARD_USERDATAIMAGE_PARTITION_SIZE := 576716800
 BOARD_CACHEIMAGE_PARTITION_SIZE := 69206016
 BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
 BOARD_FLASH_BLOCK_SIZE := 512
diff --git a/target/board/generic_mips64/BoardConfig.mk b/target/board/generic_mips64/BoardConfig.mk
index 1f465ae..d879b0d 100644
--- a/target/board/generic_mips64/BoardConfig.mk
+++ b/target/board/generic_mips64/BoardConfig.mk
@@ -58,7 +58,7 @@
 
 TARGET_USERIMAGES_USE_EXT4 := true
 BOARD_SYSTEMIMAGE_PARTITION_SIZE := 576716800
-BOARD_USERDATAIMAGE_PARTITION_SIZE := 209715200
+BOARD_USERDATAIMAGE_PARTITION_SIZE := 576716800
 BOARD_CACHEIMAGE_PARTITION_SIZE := 69206016
 BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
 BOARD_FLASH_BLOCK_SIZE := 512
diff --git a/target/board/generic_x86/BoardConfig.mk b/target/board/generic_x86/BoardConfig.mk
index c634bcd..67f0ecf 100644
--- a/target/board/generic_x86/BoardConfig.mk
+++ b/target/board/generic_x86/BoardConfig.mk
@@ -36,7 +36,7 @@
 
 TARGET_USERIMAGES_USE_EXT4 := true
 BOARD_SYSTEMIMAGE_PARTITION_SIZE := 576716800
-BOARD_USERDATAIMAGE_PARTITION_SIZE := 209715200
+BOARD_USERDATAIMAGE_PARTITION_SIZE := 576716800
 BOARD_CACHEIMAGE_PARTITION_SIZE := 69206016
 BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
 BOARD_FLASH_BLOCK_SIZE := 512
diff --git a/target/board/generic_x86_64/BoardConfig.mk b/target/board/generic_x86_64/BoardConfig.mk
index d0994b0..876caf3 100755
--- a/target/board/generic_x86_64/BoardConfig.mk
+++ b/target/board/generic_x86_64/BoardConfig.mk
@@ -42,7 +42,7 @@
 
 TARGET_USERIMAGES_USE_EXT4 := true
 BOARD_SYSTEMIMAGE_PARTITION_SIZE := 786432000
-BOARD_USERDATAIMAGE_PARTITION_SIZE := 209715200
+BOARD_USERDATAIMAGE_PARTITION_SIZE := 576716800
 BOARD_CACHEIMAGE_PARTITION_SIZE := 69206016
 BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
 BOARD_FLASH_BLOCK_SIZE := 512
diff --git a/target/product/emulator.mk b/target/product/emulator.mk
index c094a92..62099df 100644
--- a/target/product/emulator.mk
+++ b/target/product/emulator.mk
@@ -20,21 +20,7 @@
 
 # Host modules
 PRODUCT_PACKAGES += \
-    emulator \
-    emulator-x86 \
-    emulator-arm \
-    emulator-mips \
-    emulator64-x86 \
-    emulator64-arm \
-    emulator64-mips \
-    libOpenglRender \
-    libGLES_CM_translator \
-    libGLES_V2_translator \
-    libEGL_translator \
-    lib64OpenglRender \
-    lib64GLES_CM_translator \
-    lib64GLES_V2_translator \
-    lib64EGL_translator
+
 
 # Device modules
 PRODUCT_PACKAGES += \