diff --git a/core/config.mk b/core/config.mk
index 65601bf..f74f5b4 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -650,6 +650,7 @@
 DEFAULT_JACK_EXTRA_ARGS := @$(JACK_DEFAULT_ARGS)
 endif
 
+TURBINE := $(HOST_OUT_JAVA_LIBRARIES)/turbine$(COMMON_JAVA_PACKAGE_SUFFIX)
 PROGUARD := external/proguard/bin/proguard.sh
 JAVATAGS := build/tools/java-event-log-tags.py
 MERGETAGS := build/tools/merge-event-log-tags.py
diff --git a/core/definitions.mk b/core/definitions.mk
index 6b1f35b..15752f9 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -692,6 +692,14 @@
 $(foreach lib,$(1),$(call _java-lib-full-classes.jar,$(lib),$(2)))
 endef
 
+# Get the header jar files (you can pass to "javac -classpath") of static or shared
+# Java libraries that you want to link against.
+# $(1): library name list
+# $(2): Non-empty if IS_HOST_MODULE
+define java-lib-header-files
+$(foreach lib,$(1),$(call intermediates-dir-for, JAVA_LIBRARIES,$(lib),$(2),COMMON)/classes-header.jar)
+endef
+
 # Get the dependency files (you can put on the right side of "|" of a build rule)
 # of the Java libraries.
 # $(1): library name list
@@ -2229,6 +2237,7 @@
 #
 # $(1): javac
 # $(2): bootclasspath
+# $(3): classpath_libs
 define compile-java
 $(hide) rm -f $@
 $(hide) rm -rf $(PRIVATE_CLASS_INTERMEDIATES_DIR) $(PRIVATE_ANNO_INTERMEDIATES_DIR)
@@ -2240,7 +2249,7 @@
     $(if $(findstring true,$(PRIVATE_WARNINGS_ENABLE)),$(xlint_unchecked),) \
     $(2) \
     $(addprefix -classpath ,$(strip \
-        $(call normalize-path-list,$(PRIVATE_ALL_JAVA_LIBRARIES)))) \
+        $(call normalize-path-list,$(3)))) \
     $(if $(findstring true,$(PRIVATE_WARNINGS_ENABLE)),$(xlint_unchecked),) \
     -d $(PRIVATE_CLASS_INTERMEDIATES_DIR) -s $(PRIVATE_ANNO_INTERMEDIATES_DIR) \
     $(PRIVATE_JAVACFLAGS) \
@@ -2272,7 +2281,31 @@
 
 define transform-java-to-classes.jar
 @echo "$($(PRIVATE_PREFIX)DISPLAY) Java: $(PRIVATE_MODULE) ($(PRIVATE_CLASS_INTERMEDIATES_DIR))"
-$(call compile-java,$(TARGET_JAVAC),$(PRIVATE_BOOTCLASSPATH))
+$(call compile-java,$(TARGET_JAVAC),$(PRIVATE_BOOTCLASSPATH),$(PRIVATE_ALL_JAVA_HEADER_LIBRARIES))
+endef
+
+define transform-java-to-header.jar
+@echo "$($(PRIVATE_PREFIX)DISPLAY) Turbine: $(PRIVATE_MODULE)"
+@mkdir -p $(dir $@)
+@rm -rf $(dir $@)/classes-turbine
+@mkdir $(dir $@)/classes-turbine
+$(hide) if [ -s $(PRIVATE_JAVA_SOURCE_LIST) ] ; then \
+    $(JAVA) -jar $(TURBINE) \
+    --output $@.tmp --temp_dir $(dir $@)/classes-turbine -$(PRIVATE_BOOTCLASSPATH) \
+    --sources \@$(PRIVATE_JAVA_SOURCE_LIST) \
+    --javacopts $(PRIVATE_JAVACFLAGS) $(COMMON_JDK_FLAGS) \
+    $(addprefix --classpath ,$(strip \
+        $(call normalize-path-list,$(PRIVATE_ALL_JAVA_HEADER_LIBRARIES)))) \
+    || ( rm -rf $(dir $@)/classes-turbine ; exit 41 ) \
+fi
+$(hide) $(call unzip-jar-files,$(PRIVATE_STATIC_JAVA_HEADER_LIBRARIES),$(dir $@)/classes-turbine)
+$(hide) if [ -s $@.tmp ] ; then \
+    unzip -qo $@.tmp -d $(dir $@)/classes-turbine; rm -f $(dir $@)/classes-turbine/module-info.class; \
+fi
+$(hide) $(if $(PRIVATE_DONT_DELETE_JAR_META_INF),,$(hide) rm -rf $(dir $@)/classes-turbine/META-INF)
+$(hide) $(JAR) -cf $@.tmp $(call jar-args-sorted-files-in-directory,$(dir $@)/classes-turbine)
+$(hide) $(ZIPTIME) $@.tmp
+$(hide) $(call commit-change-for-toc,$@)
 endef
 
 # Invoke Jack to compile java from source to dex and jack files.
@@ -2387,26 +2420,6 @@
 fi
 endef
 
-# b/37756495
-IJAR_ASAN_OPTIONS := ASAN_OPTIONS=detect_leaks=0
-
-## Rule to create a table of contents from a .jar file.
-## Must be called with $(eval).
-# $(1): A .jar file
-define _transform-jar-to-toc
-$1.toc: $1 | $(IJAR)
-	@echo Generating TOC: $$@
-	$(hide) $(IJAR_ASAN_OPTIONS) $(IJAR) $$< $$@.tmp
-	$$(call commit-change-for-toc,$$@)
-endef
-
-## Define a rule which generates .jar.toc and mark it as .KATI_RESTAT.
-# $(1): A .jar file
-define define-jar-to-toc-rule
-$(eval $(call _transform-jar-to-toc,$1))\
-$(eval .KATI_RESTAT: $1.toc)
-endef
-
 ifeq (,$(TARGET_BUILD_APPS))
 
 ## Rule to create a table of contents from a .dex file.
@@ -2508,7 +2521,7 @@
     -Djdk.internal.lambda.dumpProxyClasses=$(abspath $(dir $@))/desugar_dumped_classes \
     -jar $(DESUGAR) \
     $(addprefix --bootclasspath_entry ,$(call desugar-bootclasspath,$(PRIVATE_BOOTCLASSPATH))) \
-    $(addprefix --classpath_entry ,$(PRIVATE_ALL_JAVA_LIBRARIES)) \
+    $(addprefix --classpath_entry ,$(PRIVATE_ALL_JAVA_HEADER_LIBRARIES)) \
     --min_sdk_version $(call codename-or-sdk-to-sdk,$(PRIVATE_DEFAULT_APP_TARGET_SDK)) \
     --desugar_try_with_resources_if_needed=false \
     --allow_empty_bootclasspath \
@@ -2718,8 +2731,15 @@
 # Note: we intentionally don't clean PRIVATE_CLASS_INTERMEDIATES_DIR
 # in transform-java-to-classes for the sake of vm-tests.
 define transform-host-java-to-package
-@echo "$($(PRIVATE_PREFIX)DISPLAY) Java: $(PRIVATE_MODULE) ($(PRIVATE_CLASS_INTERMEDIATES_DIR))"
-$(call compile-java,$(HOST_JAVAC),$(PRIVATE_BOOTCLASSPATH))
+@echo "Host Java: $(PRIVATE_MODULE) ($(PRIVATE_CLASS_INTERMEDIATES_DIR))"
+$(call compile-java,$(HOST_JAVAC),$(PRIVATE_BOOTCLASSPATH),$(PRIVATE_ALL_JAVA_LIBRARIES))
+endef
+
+# Note: we intentionally don't clean PRIVATE_CLASS_INTERMEDIATES_DIR
+# in transform-java-to-classes for the sake of vm-tests.
+define transform-host-java-to-dalvik-package
+@echo "Dalvik Java: $(PRIVATE_MODULE) ($(PRIVATE_CLASS_INTERMEDIATES_DIR))"
+$(call compile-java,$(HOST_JAVAC),$(PRIVATE_BOOTCLASSPATH),$(PRIVATE_ALL_JAVA_HEADER_LIBRARIES))
 endef
 
 ###########################################################
diff --git a/core/host_dalvik_java_library.mk b/core/host_dalvik_java_library.mk
index 358d0f1..241cf6e 100644
--- a/core/host_dalvik_java_library.mk
+++ b/core/host_dalvik_java_library.mk
@@ -42,6 +42,9 @@
   LOCAL_JAVA_LIBRARIES :=  core-oj-hostdex core-libart-hostdex $(LOCAL_JAVA_LIBRARIES)
 endif
 
+full_classes_turbine_jar := $(intermediates.COMMON)/classes-turbine.jar
+full_classes_header_jarjar := $(intermediates.COMMON)/classes-header-jarjar.jar
+full_classes_header_jar := $(intermediates.COMMON)/classes-header.jar
 full_classes_compiled_jar := $(intermediates.COMMON)/classes-full-debug.jar
 full_classes_desugar_jar := $(intermediates.COMMON)/desugar.classes.jar
 full_classes_jarjar_jar := $(intermediates.COMMON)/classes-jarjar.jar
@@ -52,6 +55,7 @@
 java_source_list_file := $(intermediates.COMMON)/java-source-list
 
 LOCAL_INTERMEDIATE_TARGETS += \
+    $(full_classes_turbine_jar) \
     $(full_classes_compiled_jar) \
     $(full_classes_desugar_jar) \
     $(full_classes_jarjar_jar) \
@@ -98,25 +102,54 @@
 ifndef LOCAL_JACK_ENABLED
 
 $(full_classes_compiled_jar): PRIVATE_JAVA_LAYERS_FILE := $(layers_file)
-$(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(GLOBAL_JAVAC_DEBUG_FLAGS) $(LOCAL_JAVACFLAGS) $(annotation_processor_flags)
+$(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(LOCAL_JAVACFLAGS) $(annotation_processor_flags)
 $(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): \
     $(java_source_list_file) \
     $(java_sources_deps) \
-    $(full_java_lib_deps) \
+    $(full_java_header_libs) \
+    $(full_static_java_libs) \
     $(jar_manifest_file) \
     $(annotation_processor_deps) \
     $(NORMALIZE_PATH) \
+    $(JAR_ARGS) \
     | $(SOONG_JAVAC_WRAPPER)
-	$(transform-host-java-to-package)
+	$(transform-host-java-to-dalvik-package)
+
+$(full_classes_turbine_jar): PRIVATE_JAVACFLAGS := $(LOCAL_JAVACFLAGS) $(annotation_processor_flags)
+$(full_classes_turbine_jar): PRIVATE_DONT_DELETE_JAR_META_INF := $(LOCAL_DONT_DELETE_JAR_META_INF)
+$(full_classes_turbine_jar): \
+    $(java_source_list_file) \
+    $(java_sources_deps) \
+    $(full_java_header_libs) \
+    $(jar_manifest_file) \
+    $(NORMALIZE_PATH) \
+    $(JAR_ARGS) \
+    $(ZIPTIME) \
+    | $(TURBINE)
+	$(transform-java-to-header.jar)
+
+.KATI_RESTAT: $(full_classes_turbine_jar)
+
+# Run jarjar before generate classes-header.jar if necessary.
+ifneq ($(strip $(LOCAL_JARJAR_RULES)),)
+$(full_classes_header_jarjar): PRIVATE_JARJAR_RULES := $(LOCAL_JARJAR_RULES)
+$(full_classes_header_jarjar): $(full_classes_turbine_jar) $(LOCAL_JARJAR_RULES) | $(JARJAR)
+	@echo Header JarJar: $@
+	$(hide) $(JAVA) -jar $(JARJAR) process $(PRIVATE_JARJAR_RULES) $< $@
+else
+full_classes_header_jarjar := $(full_classes_turbine_jar)
+endif
+
+$(eval $(call copy-one-file,$(full_classes_header_jarjar),$(full_classes_header_jar)))
 
 my_desugaring :=
 ifeq ($(LOCAL_JAVA_LANGUAGE_VERSION),1.8)
 my_desugaring := true
 $(full_classes_desugar_jar): PRIVATE_DX_FLAGS := $(LOCAL_DX_FLAGS)
-$(full_classes_desugar_jar): $(full_classes_compiled_jar) $(DESUGAR)
+$(full_classes_desugar_jar): $(full_classes_compiled_jar) $(full_java_header_libs) $(DESUGAR)
 	$(desugar-classes-jar)
 endif
 
@@ -178,7 +211,7 @@
 $(LOCAL_INTERMEDIATE_TARGETS): \
   PRIVATE_JACK_INCREMENTAL_DIR :=
 endif
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_FLAGS := $(GLOBAL_JAVAC_DEBUG_FLAGS) $(LOCAL_JACK_FLAGS)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_FLAGS := -g $(LOCAL_JACK_FLAGS)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_VERSION := $(LOCAL_JACK_VERSION)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_MIN_SDK_VERSION := $(PLATFORM_JACK_MIN_SDK_VERSION)
 
diff --git a/core/host_java_library.mk b/core/host_java_library.mk
index 80f2822..adc30dd 100644
--- a/core/host_java_library.mk
+++ b/core/host_java_library.mk
@@ -35,6 +35,7 @@
 full_classes_jarjar_jar := $(intermediates.COMMON)/classes-jarjar.jar
 full_classes_jar := $(intermediates.COMMON)/classes.jar
 java_source_list_file := $(intermediates.COMMON)/java-source-list
+full_classes_header_jar := $(intermediates.COMMON)/classes-header.jar
 
 LOCAL_INTERMEDIATE_TARGETS += \
     $(full_classes_compiled_jar) \
@@ -71,7 +72,7 @@
 	$(write-java-source-list)
 
 $(full_classes_compiled_jar): PRIVATE_JAVA_LAYERS_FILE := $(layers_file)
-$(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(GLOBAL_JAVAC_DEBUG_FLAGS) $(LOCAL_JAVACFLAGS) $(annotation_processor_flags)
+$(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(LOCAL_JAVACFLAGS) $(annotation_processor_flags)
 $(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_FILES :=
 $(full_classes_compiled_jar): PRIVATE_JAR_PACKAGES :=
 $(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_PACKAGES :=
@@ -83,6 +84,7 @@
     $(annotation_processor_deps) \
     $(NORMALIZE_PATH) \
     $(ZIPTIME) \
+    $(JAR_ARGS) \
     | $(SOONG_JAVAC_WRAPPER)
 	$(transform-host-java-to-package)
 	$(remove-timestamps-from-package)
@@ -110,3 +112,4 @@
 $(eval $(call copy-one-file,$(LOCAL_FULL_CLASSES_JACOCO_JAR),$(LOCAL_BUILT_MODULE)))
 $(eval $(call copy-one-file,$(LOCAL_FULL_CLASSES_JACOCO_JAR),$(full_classes_jar)))
 
+$(eval $(call copy-one-file,$(LOCAL_FULL_CLASSES_JACOCO_JAR),$(full_classes_header_jar)))
diff --git a/core/java.mk b/core/java.mk
index 8545947..cc70368 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -113,6 +113,9 @@
 LOCAL_PROGUARD_ENABLED :=
 endif
 
+full_classes_turbine_jar := $(intermediates.COMMON)/classes-turbine.jar
+full_classes_header_jarjar := $(intermediates.COMMON)/classes-header-jarjar.jar
+full_classes_header_jar := $(intermediates.COMMON)/classes-header.jar
 full_classes_compiled_jar := $(intermediates.COMMON)/$(full_classes_compiled_jar_leaf)
 full_classes_processed_jar := $(intermediates.COMMON)/classes-processed.jar
 full_classes_desugar_jar := $(intermediates.COMMON)/classes-desugar.jar
@@ -139,6 +142,7 @@
 jack_check_timestamp := $(intermediates.COMMON)/jack.check.timestamp
 
 LOCAL_INTERMEDIATE_TARGETS += \
+    $(full_classes_turbine_jar) \
     $(full_classes_compiled_jar) \
     $(full_classes_desugar_jar) \
     $(full_classes_jarjar_jar) \
@@ -152,7 +156,6 @@
     $(full_classes_stubs_jar) \
     $(java_source_list_file)
 
-
 LOCAL_INTERMEDIATE_SOURCE_DIR := $(intermediates.COMMON)/src
 
 ###############################################################
@@ -448,7 +451,7 @@
 $(java_source_list_file): $(java_sources_deps)
 	$(write-java-source-list)
 
-$(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(GLOBAL_JAVAC_DEBUG_FLAGS) $(LOCAL_JAVACFLAGS) $(annotation_processor_flags)
+$(full_classes_compiled_jar): PRIVATE_JAVACFLAGS := $(LOCAL_JAVACFLAGS) $(annotation_processor_flags)
 $(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)
@@ -457,14 +460,44 @@
 $(full_classes_compiled_jar): \
     $(java_source_list_file) \
     $(java_sources_deps) \
-    $(full_java_lib_deps) \
+    $(full_java_header_libs) \
+    $(full_static_java_libs) \
     $(jar_manifest_file) \
     $(layers_file) \
     $(annotation_processor_deps) \
     $(NORMALIZE_PATH) \
+    $(JAR_ARGS) \
     | $(SOONG_JAVAC_WRAPPER)
 	$(transform-java-to-classes.jar)
 
+$(full_classes_turbine_jar): PRIVATE_JAVACFLAGS := $(LOCAL_JAVACFLAGS) $(annotation_processor_flags)
+$(full_classes_turbine_jar): PRIVATE_DONT_DELETE_JAR_META_INF := $(LOCAL_DONT_DELETE_JAR_META_INF)
+$(full_classes_turbine_jar): \
+    $(java_source_list_file) \
+    $(java_sources_deps) \
+    $(full_java_header_libs) \
+    $(jar_manifest_file) \
+    $(layers_file) \
+    $(NORMALIZE_PATH) \
+    $(JAR_ARGS) \
+    $(ZIPTIME) \
+    | $(TURBINE)
+	$(transform-java-to-header.jar)
+
+.KATI_RESTAT: $(full_classes_turbine_jar)
+
+# Run jarjar before generate classes-header.jar if necessary.
+ifneq ($(strip $(LOCAL_JARJAR_RULES)),)
+$(full_classes_header_jarjar): PRIVATE_JARJAR_RULES := $(LOCAL_JARJAR_RULES)
+$(full_classes_header_jarjar): $(full_classes_turbine_jar) $(LOCAL_JARJAR_RULES) | $(JARJAR)
+	@echo Header JarJar: $@
+	$(hide) $(JAVA) -jar $(JARJAR) process $(PRIVATE_JARJAR_RULES) $< $@
+else
+full_classes_header_jarjar := $(full_classes_turbine_jar)
+endif
+
+$(eval $(call copy-one-file,$(full_classes_header_jarjar),$(full_classes_header_jar)))
+
 javac-check : $(full_classes_compiled_jar)
 javac-check-$(LOCAL_MODULE) : $(full_classes_compiled_jar)
 
@@ -499,7 +532,7 @@
 ifndef LOCAL_IS_STATIC_JAVA_LIBRARY
 my_desugaring := true
 $(full_classes_desugar_jar): PRIVATE_DX_FLAGS := $(LOCAL_DX_FLAGS)
-$(full_classes_desugar_jar): $(full_classes_processed_jar) $(DESUGAR)
+$(full_classes_desugar_jar): $(full_classes_processed_jar) $(full_java_header_libs) $(DESUGAR)
 	$(desugar-classes-jar)
 endif
 endif
@@ -548,19 +581,22 @@
 ifdef LOCAL_SDK_VERSION
 ifdef TARGET_BUILD_APPS
 ifeq (,$(filter current system_current test_current, $(LOCAL_SDK_VERSION)))
-  my_support_library_sdk_raise := $(call java-lib-files, sdk_vcurrent)
+  my_support_library_sdk_raise := $(call java-lib-header-files, sdk_vcurrent)
 endif
 else
   # For platform build, we can't just raise to the "current" SDK,
   # that would break apps that use APIs removed from the current SDK.
-  my_support_library_sdk_raise := $(call java-lib-files,$(TARGET_DEFAULT_JAVA_LIBRARIES))
+  my_support_library_sdk_raise := $(call java-lib-header-files,$(TARGET_DEFAULT_JAVA_LIBRARIES))
 endif
 endif
 endif
 
 # jack already has the libraries in its classpath and doesn't support jars
 legacy_proguard_flags := $(addprefix -libraryjars ,$(my_support_library_sdk_raise) \
-  $(filter-out $(my_support_library_sdk_raise),$(full_shared_java_libs)))
+  $(filter-out $(my_support_library_sdk_raise),$(full_shared_java_header_libs)))
+
+legacy_proguard_lib_deps := $(my_support_library_sdk_raise) \
+  $(filter-out $(my_support_library_sdk_raise),$(full_shared_java_header_libs))
 
 legacy_proguard_flags += -printmapping $(proguard_dictionary)
 jack_proguard_flags := -printmapping $(jack_dictionary)
@@ -605,6 +641,7 @@
 # link_instr_classes_jar is defined in base_rule.mk
 # jack already has this library in its classpath and doesn't support jars
 legacy_proguard_flags += -libraryjars $(link_instr_classes_jar)
+legacy_proguard_lib_deps += $(link_instr_classes_jar)
 else # obfuscation
 # If obfuscation is enabled, the main app must be obfuscated too.
 # We need to run obfuscation using the main app's dictionary,
@@ -658,7 +695,7 @@
 $(full_classes_proguard_jar): PRIVATE_PROGUARD_INJAR_FILTERS := $(proguard_injar_filters)
 $(full_classes_proguard_jar): PRIVATE_EXTRA_INPUT_JAR := $(extra_input_jar)
 $(full_classes_proguard_jar): PRIVATE_PROGUARD_FLAGS := $(legacy_proguard_flags) $(common_proguard_flags) $(LOCAL_PROGUARD_FLAGS)
-$(full_classes_proguard_jar) : $(full_classes_pre_proguard_jar) $(extra_input_jar) $(my_support_library_sdk_raise) $(common_proguard_flag_files) $(proguard_flag_files) | $(PROGUARD)
+$(full_classes_proguard_jar) : $(full_classes_pre_proguard_jar) $(extra_input_jar) $(my_support_library_sdk_raise) $(common_proguard_flag_files) $(proguard_flag_files) $(legacy_proguard_lib_deps) | $(PROGUARD)
 	$(call transform-jar-to-proguard)
 
 else  # LOCAL_PROGUARD_ENABLED not defined
@@ -667,8 +704,6 @@
 
 $(eval $(call copy-one-file,$(full_classes_proguard_jar),$(full_classes_jar)))
 
-$(call define-jar-to-toc-rule, $(full_classes_jar))
-
 ifneq ($(LOCAL_IS_STATIC_JAVA_LIBRARY),true)
 ifndef LOCAL_JACK_ENABLED
 $(built_dex_intermediate): PRIVATE_DX_FLAGS := $(LOCAL_DX_FLAGS)
@@ -766,7 +801,7 @@
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_PROGUARD_FLAGS :=
 endif # LOCAL_PROGUARD_ENABLED defined
 
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_FLAGS := $(GLOBAL_JAVAC_DEBUG_FLAGS) $(LOCAL_JACK_FLAGS) $(annotation_processor_flags)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_FLAGS := -g $(LOCAL_JACK_FLAGS) $(annotation_processor_flags)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_VERSION := $(LOCAL_JACK_VERSION)
 
 jack_all_deps := \
diff --git a/core/java_common.mk b/core/java_common.mk
index 87bd06f..17803f8 100644
--- a/core/java_common.mk
+++ b/core/java_common.mk
@@ -171,7 +171,13 @@
       $(call intermediates-dir-for, \
         JAVA_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE),COMMON)/classes.jar)
 
+full_static_java_header_libs := \
+    $(foreach lib,$(LOCAL_STATIC_JAVA_LIBRARIES), \
+      $(call intermediates-dir-for, \
+        JAVA_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE),COMMON)/classes-header.jar)
+
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_STATIC_JAVA_LIBRARIES := $(full_static_java_libs)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_STATIC_JAVA_HEADER_LIBRARIES := $(full_static_java_header_libs)
 
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_RESOURCE_DIR := $(LOCAL_RESOURCE_DIR)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ASSET_DIR := $(LOCAL_ASSET_DIR)
@@ -198,18 +204,18 @@
 # No bootclasspath. But we still need "" to prevent javac from using default host bootclasspath.
 my_bootclasspath := ""
 else  # LOCAL_NO_STANDARD_LIBRARIES
-my_bootclasspath := $(call java-lib-files,core-oj):$(call java-lib-files,core-libart)
+my_bootclasspath := $(call java-lib-header-files,core-oj):$(call java-lib-header-files,core-libart)
 endif  # LOCAL_NO_STANDARD_LIBRARIES
 else
 ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),current)
 # LOCAL_SDK_VERSION is current and no TARGET_BUILD_APPS.
-my_bootclasspath := $(call java-lib-files,android_stubs_current)
+my_bootclasspath := $(call java-lib-header-files,android_stubs_current)
 else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),system_current)
-my_bootclasspath := $(call java-lib-files,android_system_stubs_current)
+my_bootclasspath := $(call java-lib-header-files,android_system_stubs_current)
 else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),test_current)
-my_bootclasspath := $(call java-lib-files,android_test_stubs_current)
+my_bootclasspath := $(call java-lib-header-files,android_test_stubs_current)
 else
-my_bootclasspath := $(call java-lib-files,sdk_v$(LOCAL_SDK_VERSION))
+my_bootclasspath := $(call java-lib-header-files,sdk_v$(LOCAL_SDK_VERSION))
 endif # current, system_current, or test_current
 endif # LOCAL_SDK_VERSION
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH := -bootclasspath $(my_bootclasspath)
@@ -227,6 +233,7 @@
 endif
 
 full_shared_java_libs := $(call java-lib-files,$(LOCAL_JAVA_LIBRARIES) $(my_additional_javac_libs),$(LOCAL_IS_HOST_MODULE))
+full_shared_java_header_libs := $(call java-lib-header-files,$(LOCAL_JAVA_LIBRARIES) $(my_additional_javac_libs),$(LOCAL_IS_HOST_MODULE))
 full_java_lib_deps := $(call java-lib-deps,$(LOCAL_JAVA_LIBRARIES) $(my_additional_javac_libs),$(LOCAL_IS_HOST_MODULE))
 full_java_lib_deps := $(addsuffix .toc, $(full_java_lib_deps))
 
@@ -236,11 +243,12 @@
 ifeq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
 my_bootclasspath := ""
 else
-my_bootclasspath := $(call normalize-path-list,$(call java-lib-files,core-oj-hostdex core-libart-hostdex,true))
+my_bootclasspath := $(call normalize-path-list,$(call java-lib-header-files,core-oj-hostdex core-libart-hostdex,true))
 endif
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH := -bootclasspath $(my_bootclasspath)
 
 full_shared_java_libs := $(call java-lib-files,$(LOCAL_JAVA_LIBRARIES),true)
+full_shared_java_header_libs := $(call java-lib-header-files,$(LOCAL_JAVA_LIBRARIES),true)
 full_java_lib_deps := $(full_shared_java_libs)
 else # !USE_CORE_LIB_BOOTCLASSPATH
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH :=
@@ -251,7 +259,10 @@
 endif # USE_CORE_LIB_BOOTCLASSPATH
 endif # !LOCAL_IS_HOST_MODULE
 
+# Only host java libraries use LOCAL_CLASSPATH.
 full_java_libs := $(full_shared_java_libs) $(full_static_java_libs) $(LOCAL_CLASSPATH)
+full_java_header_libs := $(full_shared_java_header_libs) $(full_static_java_header_libs)
+
 full_java_lib_deps := $(full_java_lib_deps) $(full_static_java_libs) $(LOCAL_CLASSPATH)
 
 ifndef LOCAL_IS_HOST_MODULE
@@ -267,6 +278,7 @@
   # link against the jar with full original names (before proguard processing).
   full_shared_java_libs += $(link_apk_libraries)
   full_java_libs += $(link_apk_libraries)
+  full_java_header_libs += $(link_apk_libraries)
   full_java_lib_deps += $(link_apk_libraries)
 endif
 
@@ -285,6 +297,7 @@
   # link against the jar with full original names (before proguard processing).
   link_instr_classes_jar := $(link_instr_intermediates_dir.COMMON)/classes-pre-proguard.jar
   full_java_libs += $(link_instr_classes_jar)
+  full_java_header_libs += $(link_instr_classes_jar)
   full_java_lib_deps += $(link_instr_classes_jar)
 endif  # LOCAL_INSTRUMENTATION_FOR
 endif  # LOCAL_IS_HOST_MODULE
@@ -333,6 +346,7 @@
 endif  # !LOCAL_IS_HOST_MODULE
 
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_JAVA_LIBRARIES := $(full_java_libs)
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_JAVA_HEADER_LIBRARIES := $(full_java_header_libs)
 
 ALL_MODULES.$(my_register_name).INTERMEDIATE_SOURCE_DIR := \
     $(ALL_MODULES.$(my_register_name).INTERMEDIATE_SOURCE_DIR) $(LOCAL_INTERMEDIATE_SOURCE_DIR)
diff --git a/core/java_library.mk b/core/java_library.mk
index 0aad84c..ea9874b 100644
--- a/core/java_library.mk
+++ b/core/java_library.mk
@@ -85,13 +85,16 @@
 ifdef LOCAL_JACK_ENABLED
 	$(create-empty-package)
 else
-	$(call initialize-package-file,$(PRIVATE_SOURCE_ARCHIVE),$@)
+	$(call initialize-package-file,$(PRIVATE_SOURCE_ARCHIVE),$@.tmp)
 endif
-	$(add-dex-to-package)
+	$(call add-dex-to-package-arg,$@.tmp)
 ifdef LOCAL_JACK_ENABLED
 	$(add-carried-jack-resources)
 endif
-	$(remove-timestamps-from-package)
+	$(hide) $(ZIPTIME) $@.tmp
+	$(call commit-change-for-toc,$@)
+
+.KATI_RESTAT: $(common_javalib.jar)
 
 ifdef LOCAL_DEX_PREOPT
 ifneq ($(dexpreopt_boot_jar_module),) # boot jar
diff --git a/core/prebuilt_internal.mk b/core/prebuilt_internal.mk
index de71111..5a0ac37 100644
--- a/core/prebuilt_internal.mk
+++ b/core/prebuilt_internal.mk
@@ -455,6 +455,7 @@
 # for host java libraries deps should be in the common dir, so we make a copy in
 # the common dir.
 common_classes_jar := $(intermediates.COMMON)/classes.jar
+common_header_jar := $(intermediates.COMMON)/classes-header.jar
 
 $(common_classes_jar): PRIVATE_MODULE := $(LOCAL_MODULE)
 $(common_classes_jar): PRIVATE_PREFIX := $(my_prefix)
@@ -462,10 +463,14 @@
 $(common_classes_jar) : $(my_src_jar)
 	$(transform-prebuilt-to-target)
 
+$(common_header_jar) : $(my_src_jar)
+	$(transform-prebuilt-to-target)
+
 else # !LOCAL_IS_HOST_MODULE
 # for target java libraries, the LOCAL_BUILT_MODULE is in a product-specific dir,
 # while the deps should be in the common dir, so we make a copy in the common dir.
 common_classes_jar := $(intermediates.COMMON)/classes.jar
+common_header_jar := $(intermediates.COMMON)/classes-header.jar
 common_classes_pre_proguard_jar := $(intermediates.COMMON)/classes-pre-proguard.jar
 common_javalib_jar := $(intermediates.COMMON)/javalib.jar
 
@@ -510,14 +515,15 @@
 $(common_classes_jar) : $(my_src_jar)
 	$(transform-prebuilt-to-target)
 
+$(common_header_jar) : $(my_src_jar)
+	$(transform-prebuilt-to-target)
+
 $(common_classes_pre_proguard_jar) : $(my_src_jar)
 	$(transform-prebuilt-to-target)
 
 $(common_javalib_jar) : $(common_classes_jar)
 	$(transform-prebuilt-to-target)
 
-$(call define-jar-to-toc-rule, $(common_classes_jar))
-
 ifdef LOCAL_USE_AAPT2
 ifneq ($(my_src_aar),)
 LOCAL_SDK_RES_VERSION:=$(strip $(LOCAL_SDK_RES_VERSION))
diff --git a/core/static_java_library.mk b/core/static_java_library.mk
index 827aaad..ecda730 100644
--- a/core/static_java_library.mk
+++ b/core/static_java_library.mk
@@ -184,6 +184,7 @@
 $(jack_check_timestamp): $(R_file_stamp)
 endif # LOCAL_JACK_ENABLED
 $(full_classes_compiled_jar): $(R_file_stamp)
+$(full_classes_turbine_jar): $(R_file_stamp)
 
 
 # if we have custom proguarding done use the proguarded classes jar instead of the normal classes jar