diff --git a/core/Makefile b/core/Makefile
index 55ab6a5..eb02ff4 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -190,9 +190,14 @@
 			TARGET_CPU_ABI2="$(TARGET_CPU_ABI2)" \
 			TARGET_AAPT_CHARACTERISTICS="$(TARGET_AAPT_CHARACTERISTICS)" \
 	        bash $(BUILDINFO_SH) > $@
-	$(hide) if [ -f "$(system_prop_file)" ]; then \
-	          cat $(system_prop_file) >> $@; \
-	        fi
+	$(hide) $(foreach file,$(system_prop_file), \
+		if [ -f "$(file)" ]; then \
+			echo "#" >> $@; \
+			echo Target buildinfo from: "$(file)"; \
+			echo "# from $(file)" >> $@; \
+			echo "#" >> $@; \
+			cat $(file) >> $@; \
+		fi;)
 	$(if $(ADDITIONAL_BUILD_PROPERTIES), \
 		$(hide) echo >> $@; \
 		        echo "#" >> $@; \
diff --git a/core/base_rules.mk b/core/base_rules.mk
index 188c352..f6497da 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -264,6 +264,7 @@
   endif
 endif
 $(proto_java_sources_file_stamp): PRIVATE_PROTOC_FLAGS := $(LOCAL_PROTOC_FLAGS)
+$(proto_java_sources_file_stamp): PRIVATE_PROTO_JAVA_OUTPUT_PARAMS := $(LOCAL_PROTO_JAVA_OUTPUT_PARAMS)
 $(proto_java_sources_file_stamp) : $(proto_sources_fullpath) $(PROTOC)
 	$(call transform-proto-to-java)
 
@@ -529,7 +530,7 @@
 ifdef LOCAL_DEX_PREOPT
 installed_odex := $(basename $(LOCAL_INSTALLED_MODULE)).odex
 built_odex := $(basename $(LOCAL_BUILT_MODULE)).odex
-$(installed_odex) : $(built_odex) | $(ACP)
+$(installed_odex) : $(built_odex) $(LOCAL_BUILT_MODULE) | $(ACP)
 	@echo "Install: $@"
 	$(copy-file-to-target)
 
diff --git a/core/build_id.mk b/core/build_id.mk
index ffff91e..e954794 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -23,7 +23,7 @@
 # (like "TC1-RC5").  It must be a single word, and is
 # capitalized by convention.
 #
-BUILD_ID := JB_MR2
+BUILD_ID := OPENMASTER
 
 # DISPLAY_BUILD_NUMBER should only be set for development branches,
 # If set, the BUILD_NUMBER (cl) is appended to the BUILD_ID for
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 8d84814..7ad58b2 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -120,6 +120,7 @@
 LOCAL_DEX_PREOPT:= # '',true,false,nostripping
 LOCAL_PROTOC_OPTIMIZE_TYPE:= # lite(default),micro,nano,full
 LOCAL_PROTOC_FLAGS:=
+LOCAL_PROTO_JAVA_OUTPUT_PARAMS:=
 LOCAL_NO_CRT:=
 LOCAL_PROPRIETARY_MODULE:=
 LOCAL_MODULE_OWNER:=
diff --git a/core/combo/TARGET_linux-arm.mk b/core/combo/TARGET_linux-arm.mk
index 371ba96..8fc39e9 100644
--- a/core/combo/TARGET_linux-arm.mk
+++ b/core/combo/TARGET_linux-arm.mk
@@ -101,7 +101,7 @@
 			-fstack-protector \
 			-Wa,--noexecstack \
 			-Werror=format-security \
-			-D_FORTIFY_SOURCE=1 \
+			-D_FORTIFY_SOURCE=2 \
 			-fno-short-enums \
 			$(arch_variant_cflags)
 
diff --git a/core/combo/TARGET_linux-mips.mk b/core/combo/TARGET_linux-mips.mk
index 83fe657..c878ae5 100644
--- a/core/combo/TARGET_linux-mips.mk
+++ b/core/combo/TARGET_linux-mips.mk
@@ -89,7 +89,7 @@
 			-funwind-tables \
 			-Wa,--noexecstack \
 			-Werror=format-security \
-			-D_FORTIFY_SOURCE=1 \
+			-D_FORTIFY_SOURCE=2 \
 			$(arch_variant_cflags)
 
 android_config_h := $(call select-android-config-h,linux-mips)
diff --git a/core/combo/TARGET_linux-x86.mk b/core/combo/TARGET_linux-x86.mk
index 04531b2..5c9a76b 100644
--- a/core/combo/TARGET_linux-x86.mk
+++ b/core/combo/TARGET_linux-x86.mk
@@ -90,7 +90,7 @@
 			-Ulinux \
 			-Wa,--noexecstack \
 			-Werror=format-security \
-			-D_FORTIFY_SOURCE=1 \
+			-D_FORTIFY_SOURCE=2 \
 			-Wstrict-aliasing=2 \
 			-fPIC -fPIE \
 			-ffunction-sections \
diff --git a/core/combo/arch/mips/mips32r2-fp-xburst.mk b/core/combo/arch/mips/mips32r2-fp-xburst.mk
new file mode 100644
index 0000000..fee9cb3
--- /dev/null
+++ b/core/combo/arch/mips/mips32r2-fp-xburst.mk
@@ -0,0 +1,16 @@
+# Configuration for Android on Ingenic xb4780/Xburst MIPS CPU.
+# Generating binaries for MIPS32R2/hard-float/little-endian without
+# support for the Madd family of instructions.
+
+ARCH_MIPS_HAS_FPU :=true
+ARCH_HAVE_ALIGNED_DOUBLES :=true
+arch_variant_cflags := \
+    -EL \
+    -march=mips32r2 \
+    -mtune=mips32r2 \
+    -mips32r2 \
+    -mhard-float \
+    -mno-fused-madd
+
+arch_variant_ldflags := \
+    -EL
diff --git a/core/config.mk b/core/config.mk
index e7ee49f..8872ea9 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -143,8 +143,8 @@
 board_config_mk := \
 	$(strip $(wildcard \
 		$(SRC_TARGET_DIR)/board/$(TARGET_DEVICE)/BoardConfig.mk \
-		device/*/$(TARGET_DEVICE)/BoardConfig.mk \
-		vendor/*/$(TARGET_DEVICE)/BoardConfig.mk \
+		$(shell test -d device && find device -maxdepth 4 -path '*/$(TARGET_DEVICE)/BoardConfig.mk') \
+		$(shell test -d vendor && find vendor -maxdepth 4 -path '*/$(TARGET_DEVICE)/BoardConfig.mk') \
 	))
 ifeq ($(board_config_mk),)
   $(error No config file found for TARGET_DEVICE $(TARGET_DEVICE))
diff --git a/core/definitions.mk b/core/definitions.mk
index 06437f7..3d19e72 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -892,7 +892,7 @@
 $(hide) for f in $(PRIVATE_PROTO_SRC_FILES); do \
         $(PROTOC) \
         $(addprefix --proto_path=, $(PRIVATE_PROTO_INCLUDES)) \
-        $(PRIVATE_PROTO_JAVA_OUTPUT_OPTION)=$(PRIVATE_PROTO_JAVA_OUTPUT_DIR) \
+        $(PRIVATE_PROTO_JAVA_OUTPUT_OPTION)="$(PRIVATE_PROTO_JAVA_OUTPUT_PARAMS):$(PRIVATE_PROTO_JAVA_OUTPUT_DIR)" \
         $(PRIVATE_PROTOC_FLAGS) \
         $$f || exit 33; \
         done
@@ -2151,6 +2151,9 @@
 # when requested.
 include $(BUILD_SYSTEM)/distdir.mk
 
+# Include any vendor specific definitions.mk file
+-include $(TOPDIR)vendor/*/build/core/definitions.mk
+
 # broken:
 #	$(foreach file,$^,$(if $(findstring,.a,$(suffix $file)),-l$(file),$(file)))
 
diff --git a/core/dex_preopt.mk b/core/dex_preopt.mk
index 82dd153..0c9904a 100644
--- a/core/dex_preopt.mk
+++ b/core/dex_preopt.mk
@@ -4,7 +4,7 @@
 ####################################
 
 # TODO: replace it with device's BOOTCLASSPATH
-DEXPREOPT_BOOT_JARS := core:core-junit:bouncycastle:ext:framework:telephony-common:voip-common:mms-common:android.policy:services:apache-xml
+DEXPREOPT_BOOT_JARS := core:conscrypt:okhttp:core-junit:bouncycastle:ext:framework:telephony-common:voip-common:mms-common:android.policy:services:apache-xml
 DEXPREOPT_BOOT_JARS_MODULES := $(subst :, ,$(DEXPREOPT_BOOT_JARS))
 
 DEXPREOPT_BUILD_DIR := $(OUT_DIR)
diff --git a/core/llvm_config.mk b/core/llvm_config.mk
index c4b4af4..18e689e 100644
--- a/core/llvm_config.mk
+++ b/core/llvm_config.mk
@@ -64,7 +64,8 @@
     -mtune=mips32r2 \
     -march=mips32 \
     -mtune=mips32 \
-    -msynci
+    -msynci \
+    -mno-fused-madd
 endif
 ifeq ($(TARGET_ARCH),x86)
   RS_TRIPLE := i686-unknown-linux
diff --git a/core/tasks/cts.mk b/core/tasks/cts.mk
index 5b041d6..9154f32 100644
--- a/core/tasks/cts.mk
+++ b/core/tasks/cts.mk
@@ -81,13 +81,15 @@
 endef
 
 CORE_INTERMEDIATES :=$(call intermediates-dir-for,JAVA_LIBRARIES,core,,COMMON)
+CONSCRYPT_INTERMEDIATES :=$(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 :=$(call intermediates-dir-for,JAVA_LIBRARIES,okhttp,,COMMON)
 SQLITEJDBC_INTERMEDIATES :=$(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)
 
-GEN_CLASSPATH := $(CORE_INTERMEDIATES)/classes.jar:$(BOUNCYCASTLE_INTERMEDIATES)/classes.jar:$(APACHEXML_INTERMEDIATES)/classes.jar:$(JUNIT_INTERMEDIATES)/classes.jar:$(SQLITEJDBC_INTERMEDIATES)/javalib.jar:$(CORETESTS_INTERMEDIATES)/javalib.jar
+GEN_CLASSPATH := $(CORE_INTERMEDIATES)/classes.jar:$(CONSCRYPT_INTERMEDIATES)/classes.jar:$(BOUNCYCASTLE_INTERMEDIATES)/classes.jar:$(APACHEXML_INTERMEDIATES)/classes.jar:$(OKHTTP_INTERMEDIATES)/classes.jar:$(JUNIT_INTERMEDIATES)/classes.jar:$(SQLITEJDBC_INTERMEDIATES)/javalib.jar:$(CORETESTS_INTERMEDIATES)/javalib.jar
 
 CTS_CORE_XMLS := \
 	$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.dalvik.xml \
@@ -103,7 +105,7 @@
 # build system requires that dependencies use javalib.jar.  If
 # javalib.jar is up-to-date, then classes.jar is as well.  Depending
 # on classes.jar will build the files incorrectly.
-$(CTS_CORE_XMLS): $(CTS_CORE_CASES) $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(CORE_INTERMEDIATES)/javalib.jar $(BOUNCYCASTLE_INTERMEDIATES)/javalib.jar $(APACHEXML_INTERMEDIATES)/javalib.jar $(SQLITEJDBC_INTERMEDIATES)/javalib.jar $(JUNIT_INTERMEDIATES)/javalib.jar $(CORETESTS_INTERMEDIATES)/javalib.jar | $(ACP)
+$(CTS_CORE_XMLS): $(CTS_CORE_CASES) $(HOST_OUT_JAVA_LIBRARIES)/descGen.jar $(CORE_INTERMEDIATES)/javalib.jar $(BOUNCYCASTLE_INTERMEDIATES)/javalib.jar $(APACHEXML_INTERMEDIATES)/javalib.jar $(OKHTTP_INTERMEDIATES)/javalib.jar $(SQLITEJDBC_INTERMEDIATES)/javalib.jar $(JUNIT_INTERMEDIATES)/javalib.jar $(CORETESTS_INTERMEDIATES)/javalib.jar | $(ACP)
 	$(hide) mkdir -p $(CTS_TESTCASES_OUT)
 	$(call generate-core-test-description,$(CTS_TESTCASES_OUT)/android.core.tests.libcore.package.dalvik,\
 		cts/tests/core/libcore/dalvik/AndroidManifest.xml,\
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 5812da0..b9e1456 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -41,7 +41,7 @@
   # which is the version that we reveal to the end user.
   # Update this value when the platform version changes (rather
   # than overriding it somewhere else).  Can be an arbitrary string.
-  PLATFORM_VERSION := 4.3
+  PLATFORM_VERSION := 4.3.2.1.000.000
 endif
 
 ifeq "" "$(PLATFORM_SDK_VERSION)"
diff --git a/envsetup.sh b/envsetup.sh
index 2de2375..d64bd29 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -1270,7 +1270,8 @@
 fi
 
 # Execute the contents of any vendorsetup.sh files we can find.
-for f in `/bin/ls vendor/*/vendorsetup.sh vendor/*/*/vendorsetup.sh device/*/*/vendorsetup.sh 2> /dev/null`
+for f in `test -d device && find device -maxdepth 4 -name 'vendorsetup.sh' 2> /dev/null` \
+         `test -d vendor && find vendor -maxdepth 4 -name 'vendorsetup.sh' 2> /dev/null`
 do
     echo "including $f"
     . $f
diff --git a/target/board/generic/BoardConfig.mk b/target/board/generic/BoardConfig.mk
index 35cbd27..3bd4f31 100644
--- a/target/board/generic/BoardConfig.mk
+++ b/target/board/generic/BoardConfig.mk
@@ -44,3 +44,11 @@
 # Build and enable the OpenGL ES View renderer. When running on the emulator,
 # the GLES renderer disables itself if host GL acceleration isn't available.
 USE_OPENGL_RENDERER := true
+
+TARGET_USERIMAGES_USE_EXT4 := true
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 576716800
+BOARD_USERDATAIMAGE_PARTITION_SIZE := 209715200
+BOARD_CACHEIMAGE_PARTITION_SIZE := 69206016
+BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
+BOARD_FLASH_BLOCK_SIZE := 512
+TARGET_USERIMAGES_SPARSE_EXT_DISABLED := true
diff --git a/target/board/generic_mips/BoardConfig.mk b/target/board/generic_mips/BoardConfig.mk
index c3881b4..e6f43af 100644
--- a/target/board/generic_mips/BoardConfig.mk
+++ b/target/board/generic_mips/BoardConfig.mk
@@ -48,3 +48,11 @@
 # Build and enable the OpenGL ES View renderer. When running on the emulator,
 # the GLES renderer disables itself if host GL acceleration isn't available.
 USE_OPENGL_RENDERER := true
+
+TARGET_USERIMAGES_USE_EXT4 := true
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 576716800
+BOARD_USERDATAIMAGE_PARTITION_SIZE := 209715200
+BOARD_CACHEIMAGE_PARTITION_SIZE := 69206016
+BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
+BOARD_FLASH_BLOCK_SIZE := 512
+TARGET_USERIMAGES_SPARSE_EXT_DISABLED := true
diff --git a/target/board/generic_x86/BoardConfig.mk b/target/board/generic_x86/BoardConfig.mk
index 4a9e5fe..ed7da38 100644
--- a/target/board/generic_x86/BoardConfig.mk
+++ b/target/board/generic_x86/BoardConfig.mk
@@ -33,3 +33,11 @@
 # Build and enable the OpenGL ES View renderer. When running on the emulator,
 # the GLES renderer disables itself if host GL acceleration isn't available.
 USE_OPENGL_RENDERER := true
+
+TARGET_USERIMAGES_USE_EXT4 := true
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 576716800
+BOARD_USERDATAIMAGE_PARTITION_SIZE := 209715200
+BOARD_CACHEIMAGE_PARTITION_SIZE := 69206016
+BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
+BOARD_FLASH_BLOCK_SIZE := 512
+TARGET_USERIMAGES_SPARSE_EXT_DISABLED := true
diff --git a/target/product/base.mk b/target/product/base.mk
index 129fb2a..ebb341c 100644
--- a/target/product/base.mk
+++ b/target/product/base.mk
@@ -87,6 +87,7 @@
     netcfg \
     netd \
     ping \
+    ping6 \
     platform.xml \
     pppd \
     pm \
diff --git a/target/product/core.mk b/target/product/core.mk
index 0e7aad6..5285ba8 100644
--- a/target/product/core.mk
+++ b/target/product/core.mk
@@ -72,6 +72,7 @@
     libwebrtc_audio_preprocessing \
     mdnsd \
     mms-common \
+    okhttp \
     requestsync \
     telephony-common \
     voip-common
@@ -81,7 +82,9 @@
     PRODUCT_PACKAGES += \
         apache-xml-hostdex \
         bouncycastle-hostdex \
+        conscrypt-hostdex \
         core-hostdex \
+        okhttp-hostdex \
         libcrypto \
         libexpat \
         libicui18n \
diff --git a/target/product/core_minimal.mk b/target/product/core_minimal.mk
index 96a8592..4f4623c 100644
--- a/target/product/core_minimal.mk
+++ b/target/product/core_minimal.mk
@@ -38,6 +38,7 @@
     cacerts \
     com.android.location.provider \
     com.android.location.provider.xml \
+    conscrypt \
     core \
     core-junit \
     dalvikvm \
diff --git a/target/product/mini.mk b/target/product/mini.mk
index 751b481..a1f6317 100644
--- a/target/product/mini.mk
+++ b/target/product/mini.mk
@@ -72,6 +72,7 @@
     cacerts \
     com.android.location.provider \
     com.android.location.provider.xml \
+    conscrypt \
     core \
     core-junit \
     dalvikvm \
@@ -144,6 +145,7 @@
     libz \
     mdnsd \
     network \
+    okhttp \
     pand \
     requestsync \
     screencap \