diff --git a/core/Makefile b/core/Makefile
index b1b3d13..0c9a825 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1607,6 +1607,7 @@
 	  echo "$${part}" >> $(zip_root)/META/ab_partitions.txt; \
 	done
 ifdef OSRELEASED_DIRECTORY
+	$(hide) $(ACP) $(TARGET_OUT_ETC)/$(OSRELEASED_DIRECTORY)/product_id $(zip_root)/META/product_id.txt
 	$(hide) $(ACP) $(TARGET_OUT_ETC)/$(OSRELEASED_DIRECTORY)/product_version $(zip_root)/META/product_version.txt
 endif
 endif
diff --git a/core/binary.mk b/core/binary.mk
index b370d20..f2d72a5 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -346,6 +346,14 @@
     my_native_coverage := false
 endif
 
+ifeq ($(my_clang),true)
+    my_coverage_lib := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBPROFILE_RT)
+else
+    my_coverage_lib := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBGCOV)
+endif
+
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_COVERAGE_LIB := $(my_coverage_lib)
+
 ###########################################################
 ## Define PRIVATE_ variables used by multiple module types
 ###########################################################
@@ -665,18 +673,20 @@
 ifdef LOCAL_DBUS_PROXY_PREFIX
 $(dbus_generated_headers) : $(dbus_definition_paths)
 	$(generate-dbus-proxies)
+else
+$(dbus_generated_headers) : $(dbus_header_dir)/%.h : $(LOCAL_PATH)/%.dbus-xml
+	$(generate-dbus-adaptors)
+endif  # $(LOCAL_DBUS_PROXY_PREFIX)
+endif  # $(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_dbus_bindings_defined
 
+ifdef LOCAL_DBUS_PROXY_PREFIX
 # Auto-export the generated dbus proxy directory.
 my_export_c_include_dirs += $(dbus_gen_dir)/include
 my_c_includes += $(dbus_gen_dir)/include
 else
-$(dbus_generated_headers) : $(dbus_header_dir)/%.h : $(LOCAL_PATH)/%.dbus-xml
-	$(generate-dbus-adaptors)
-
 my_export_c_include_dirs += $(dbus_header_dir)
 my_c_includes += $(dbus_header_dir)
 endif  # $(LOCAL_DBUS_PROXY_PREFIX)
-endif  # $(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_dbus_bindings_defined
 
 my_generated_sources += $(dbus_generated_headers)
 
diff --git a/core/combo/mac_version.mk b/core/combo/mac_version.mk
index 638e3a0..f6bd852 100644
--- a/core/combo/mac_version.mk
+++ b/core/combo/mac_version.mk
@@ -9,7 +9,7 @@
 
 build_mac_version := $(shell sw_vers -productVersion)
 
-mac_sdk_versions_supported :=  10.8 10.9 10.10
+mac_sdk_versions_supported :=  10.8 10.9 10.10 10.11
 ifneq ($(strip $(MAC_SDK_VERSION)),)
 mac_sdk_version := $(MAC_SDK_VERSION)
 ifeq ($(filter $(mac_sdk_version),$(mac_sdk_versions_supported)),)
diff --git a/core/definitions.mk b/core/definitions.mk
index 5e45e1f..f2fa8a8 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -1491,8 +1491,7 @@
 	$(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) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBPROFILE_RT)) \
+	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_COVERAGE_LIB)) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
 	$(PRIVATE_TARGET_LIBGCC) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
@@ -1564,8 +1563,7 @@
 	$(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) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBPROFILE_RT)) \
+	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_COVERAGE_LIB)) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
 	$(PRIVATE_TARGET_LIBGCC) \
 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
@@ -1611,8 +1609,7 @@
 	-Wl,--start-group \
 	$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
 	$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBGCOV)) \
-	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_LIBPROFILE_RT)) \
+	$(if $(filter true,$(NATIVE_COVERAGE)),$(PRIVATE_TARGET_COVERAGE_LIB)) \
 	$(PRIVATE_TARGET_LIBATOMIC) \
 	$(call normalize-target-libraries,$(filter %libcompiler_rt.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
 	$(PRIVATE_TARGET_LIBGCC) \
@@ -2105,11 +2102,11 @@
 #
 define add-carried-jack-resources
  $(hide) if [ -d $(PRIVATE_JACK_INTERMEDIATES_DIR) ] ; then \
-    jack_res_jar_flags=$$(find $(PRIVATE_JACK_INTERMEDIATES_DIR) -type f \
-        | sed -e "s?^$(PRIVATE_JACK_INTERMEDIATES_DIR)/? -C $(PRIVATE_JACK_INTERMEDIATES_DIR) ?"); \
-    if [ -n "$$jack_res_jar_flags" ] ; then \
-        echo $$jack_res_jar_flags >$(dir $@)jack_res_jar_flags; \
-        jar uf $@ $$jack_res_jar_flags; \
+    find $(PRIVATE_JACK_INTERMEDIATES_DIR) -type f \
+        | sed -e "s?^$(PRIVATE_JACK_INTERMEDIATES_DIR)/? -C \"$(PRIVATE_JACK_INTERMEDIATES_DIR)\" \"?" -e "s/$$/\"/" \
+        > $(dir $@)jack_res_jar_flags; \
+    if [ -s $(dir $@)jack_res_jar_flags ] ; then \
+        jar uf $@ @$(dir $@)jack_res_jar_flags; \
     fi; \
 fi
 endef
@@ -2515,12 +2512,13 @@
 endef
 
 # Return the arch for the source file of a prebuilt
-# Return "none" if no matching arch found, so the result can be passed to
+# Return "none" if no matching arch found and return empty
+# if the input is empty, so the result can be passed to
 # LOCAL_MODULE_TARGET_ARCH.
 # $(1) the list of archs supported by the prebuilt
 define get-prebuilt-src-arch
 $(strip $(if $(filter $(TARGET_ARCH),$(1)),$(TARGET_ARCH),\
-  $(if $(filter $(TARGET_2ND_ARCH),$(1)),$(TARGET_2ND_ARCH),none)))
+  $(if $(filter $(TARGET_2ND_ARCH),$(1)),$(TARGET_2ND_ARCH),$(if $(1),none))))
 endef
 
 ###########################################################
diff --git a/core/executable_internal.mk b/core/executable_internal.mk
index 1d576a2..2105f58 100644
--- a/core/executable_internal.mk
+++ b/core/executable_internal.mk
@@ -35,8 +35,6 @@
 
 # Define PRIVATE_ variables from global vars
 my_target_global_ld_dirs := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_LD_DIRS)
-my_target_libprofile_rt := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBPROFILE_RT)
-my_target_libgcov := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBGCOV)
 ifeq ($(LOCAL_NO_LIBGCC),true)
 my_target_libgcc :=
 else
@@ -66,8 +64,6 @@
 endif
 $(linked_module): PRIVATE_TARGET_GLOBAL_LD_DIRS := $(my_target_global_ld_dirs)
 $(linked_module): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(my_target_global_ldflags)
-$(linked_module): PRIVATE_TARGET_LIBPROFILE_RT := $(my_target_libprofile_rt)
-$(linked_module): PRIVATE_TARGET_LIBGCOV := $(my_target_libgcov)
 $(linked_module): PRIVATE_TARGET_LIBGCC := $(my_target_libgcc)
 $(linked_module): PRIVATE_TARGET_LIBATOMIC := $(my_target_libatomic)
 $(linked_module): PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O := $(my_target_crtbegin_dynamic_o)
diff --git a/core/install_jni_libs_internal.mk b/core/install_jni_libs_internal.mk
index 16d0962..27b9697 100644
--- a/core/install_jni_libs_internal.mk
+++ b/core/install_jni_libs_internal.mk
@@ -55,7 +55,8 @@
 my_jni_filenames := $(notdir $(my_jni_shared_libraries))
 # Make sure the JNI libraries get installed
 my_shared_library_path := $($(my_2nd_arch_prefix)TARGET_OUT$(partition_tag)_SHARED_LIBRARIES)
-$(LOCAL_INSTALLED_MODULE) : | $(addprefix $(my_shared_library_path)/, $(my_jni_filenames))
+# Do not use order-only dependency, because we want to rebuild the image if an jni is updated.
+$(LOCAL_INSTALLED_MODULE) : $(addprefix $(my_shared_library_path)/, $(my_jni_filenames))
 
 # Create symlink in the app specific lib path
 ifdef LOCAL_POST_INSTALL_CMD
@@ -93,7 +94,7 @@
 $(foreach lib, $(my_prebuilt_jni_libs), \
     $(eval $(call copy-one-file, $(lib), $(my_app_lib_path)/$(notdir $(lib)))))
 
-$(LOCAL_INSTALLED_MODULE) : | $(addprefix $(my_app_lib_path)/, $(notdir $(my_prebuilt_jni_libs)))
+$(LOCAL_INSTALLED_MODULE) : $(addprefix $(my_app_lib_path)/, $(notdir $(my_prebuilt_jni_libs)))
 endif  # my_embed_jni
 endif  # inner my_prebuilt_jni_libs
 endif  # outer my_prebuilt_jni_libs
diff --git a/core/shared_library_internal.mk b/core/shared_library_internal.mk
index 075bd02..b9a5e3e 100644
--- a/core/shared_library_internal.mk
+++ b/core/shared_library_internal.mk
@@ -40,8 +40,6 @@
 
 # Define PRIVATE_ variables from global vars
 my_target_global_ld_dirs := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_LD_DIRS)
-my_target_libprofile_rt := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBPROFILE_RT)
-my_target_libgcov := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBGCOV)
 ifeq ($(LOCAL_NO_LIBGCC),true)
 my_target_libgcc :=
 else
@@ -68,8 +66,6 @@
 endif
 $(linked_module): PRIVATE_TARGET_GLOBAL_LD_DIRS := $(my_target_global_ld_dirs)
 $(linked_module): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(my_target_global_ldflags)
-$(linked_module): PRIVATE_TARGET_LIBPROFILE_RT := $(my_target_libprofile_rt)
-$(linked_module): PRIVATE_TARGET_LIBGCOV := $(my_target_libgcov)
 $(linked_module): PRIVATE_TARGET_LIBGCC := $(my_target_libgcc)
 $(linked_module): PRIVATE_TARGET_LIBATOMIC := $(my_target_libatomic)
 $(linked_module): PRIVATE_TARGET_CRTBEGIN_SO_O := $(my_target_crtbegin_so_o)
diff --git a/target/board/generic_x86/sepolicy/system_server.te b/target/board/generic_x86/sepolicy/system_server.te
deleted file mode 100644
index 5d98a14..0000000
--- a/target/board/generic_x86/sepolicy/system_server.te
+++ /dev/null
@@ -1 +0,0 @@
-allow system_server self:process execmem;
diff --git a/target/product/core_tiny.mk b/target/product/core_tiny.mk
index 2be0507..a12d2d1 100644
--- a/target/product/core_tiny.mk
+++ b/target/product/core_tiny.mk
@@ -36,9 +36,6 @@
     power.default
 
 PRODUCT_PACKAGES += \
-    local_time.default
-
-PRODUCT_PACKAGES += \
     BackupRestoreConfirmation \
     DefaultContainerService \
     SettingsProvider \
diff --git a/target/product/verity.mk b/target/product/verity.mk
index 3e00b49..6676ffe 100644
--- a/target/product/verity.mk
+++ b/target/product/verity.mk
@@ -14,15 +14,19 @@
 # limitations under the License.
 #
 
-# Provides dependencies necessary for verified boot
+# Provides dependencies necessary for verified boot (only for user and
+# userdebug builds)
 
-PRODUCT_SUPPORTS_BOOT_SIGNER := true
-PRODUCT_SUPPORTS_VERITY := true
+user_variant := $(filter user userdebug,$(TARGET_BUILD_VARIANT))
+ifneq (,$(user_variant))
+    PRODUCT_SUPPORTS_BOOT_SIGNER := true
+    PRODUCT_SUPPORTS_VERITY := true
 
-# The dev key is used to sign boot and recovery images, and the verity
-# metadata table. Actual product deliverables will be re-signed by hand.
-# We expect this file to exist with the suffixes ".x509.pem" and ".pk8".
-PRODUCT_VERITY_SIGNING_KEY := build/target/product/security/verity
+    # The dev key is used to sign boot and recovery images, and the verity
+    # metadata table. Actual product deliverables will be re-signed by hand.
+    # We expect this file to exist with the suffixes ".x509.pem" and ".pk8".
+    PRODUCT_VERITY_SIGNING_KEY := build/target/product/security/verity
 
-PRODUCT_PACKAGES += \
-        verity_key
+    PRODUCT_PACKAGES += \
+            verity_key
+endif