merge in master-release history after reset to f218d8824388174af16b9cb08b1e6da34fcde750
diff --git a/core/Makefile b/core/Makefile
index 68b76ec..9e10417 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1644,11 +1644,11 @@
 INTERNAL_FINDBUGS_HTML_TARGET := $(PRODUCT_OUT)/findbugs.html
 $(INTERNAL_FINDBUGS_XML_TARGET): $(ALL_FINDBUGS_FILES)
 	@echo UnionBugs: $@
-	$(hide) prebuilt/common/findbugs/bin/unionBugs $(ALL_FINDBUGS_FILES) \
+	$(hide) $(FINDBUGS_DIR)/unionBugs $(ALL_FINDBUGS_FILES) \
 	> $@
 $(INTERNAL_FINDBUGS_HTML_TARGET): $(INTERNAL_FINDBUGS_XML_TARGET)
 	@echo ConvertXmlToText: $@
-	$(hide) prebuilt/common/findbugs/bin/convertXmlToText -html:fancy.xsl \
+	$(hide) $(FINDBUGS_DIR)/convertXmlToText -html:fancy.xsl \
 	$(INTERNAL_FINDBUGS_XML_TARGET) > $@
 
 # -----------------------------------------------------------------
diff --git a/core/base_rules.mk b/core/base_rules.mk
index 9354764..9571001 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -598,7 +598,7 @@
 ALL_MODULES.$(my_register_name).INSTALLED := \
     $(strip $(ALL_MODULES.$(my_register_name).INSTALLED) $(LOCAL_INSTALLED_MODULE))
 ALL_MODULES.$(my_register_name).BUILT_INSTALLED := \
-    $(strip $(ALL_MODULES.$(my_register_name).BUILT_INSTALLED)$(LOCAL_BUILT_MODULE):$(LOCAL_INSTALLED_MODULE))
+    $(strip $(ALL_MODULES.$(my_register_name).BUILT_INSTALLED) $(LOCAL_BUILT_MODULE):$(LOCAL_INSTALLED_MODULE))
 endif
 ifdef LOCAL_PICKUP_FILES
 # Files or directories ready to pick up by the build system
diff --git a/core/build_id.mk b/core/build_id.mk
index dbd6c0e..221a2f3 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -18,4 +18,6 @@
 # (like "CRB01").  It must be a single word, and is
 # capitalized by convention.
 
-export BUILD_ID=AAV50C
+BUILD_ID := MASTER
+
+DISPLAY_BUILD_NUMBER := true
diff --git a/core/combo/TARGET_linux-arm64.mk b/core/combo/TARGET_linux-arm64.mk
index 6515eb5..9518ba7 100644
--- a/core/combo/TARGET_linux-arm64.mk
+++ b/core/combo/TARGET_linux-arm64.mk
@@ -38,7 +38,7 @@
 TARGET_NDK_GCC_VERSION := 4.8
 
 ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
-TARGET_GCC_VERSION := 4.8
+TARGET_GCC_VERSION := 4.9
 else
 TARGET_GCC_VERSION := $(TARGET_GCC_VERSION_EXP)
 endif
@@ -73,13 +73,9 @@
 
 android_config_h := $(call select-android-config-h,linux-arm64)
 
-# HACK: globally disable -fstack-protector until the toolchain supports it
-TARGET_GLOBAL_UNSUPPORTED_CFLAGS := \
-    -fstack-protector \
-    -fstack-protector-all \
-
 TARGET_GLOBAL_CFLAGS += \
 			-fpic -fPIE \
+			-fstack-protector \
 			-ffunction-sections \
 			-fdata-sections \
 			-funwind-tables \
@@ -165,6 +161,7 @@
 define transform-o-to-shared-lib-inner
 $(hide) $(PRIVATE_CXX) \
 	-nostdlib -Wl,-soname,$(notdir $@) \
+	-Wl,--gc-sections \
 	-Wl,-shared,-Bsymbolic \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
@@ -189,6 +186,7 @@
 define transform-o-to-executable-inner
 $(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -fPIE -pie \
 	-Wl,-dynamic-linker,/system/bin/linker64 \
+	-Wl,--gc-sections \
 	-Wl,-z,nocopyreloc \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
@@ -213,6 +211,7 @@
 
 define transform-o-to-static-executable-inner
 $(hide) $(PRIVATE_CXX) -nostdlib -Bstatic \
+	-Wl,--gc-sections \
 	-o $@ \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
diff --git a/core/config.mk b/core/config.mk
index cc0e19f..79d5985 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -407,7 +407,8 @@
 # dx is java behind a shell script; no .exe necessary.
 DX := $(HOST_OUT_EXECUTABLES)/dx
 ZIPALIGN := $(HOST_OUT_EXECUTABLES)/zipalign$(HOST_EXECUTABLE_SUFFIX)
-FINDBUGS := prebuilt/common/findbugs/bin/findbugs
+FINDBUGS_DIR := external/owasp/sanitizer/tools/findbugs/bin
+FINDBUGS := $(FINDBUGS_DIR)/findbugs
 EMMA_JAR := external/emma/lib/emma$(COMMON_JAVA_PACKAGE_SUFFIX)
 
 # Tool to merge AndroidManifest.xmls
diff --git a/core/java.mk b/core/java.mk
index 824ae6a..ac481ee 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -504,7 +504,7 @@
 $(findbugs_html) : $(findbugs_xml)
 	@mkdir -p $(dir $@)
 	@echo ConvertXmlToText: $@
-	$(hide) prebuilt/common/findbugs/bin/convertXmlToText -html:fancy.xsl $(PRIVATE_XML_FILE) \
+	$(hide) $(FINDBUGS_DIR)/convertXmlToText -html:fancy.xsl $(PRIVATE_XML_FILE) \
 	> $@
 
 $(LOCAL_MODULE)-findbugs : $(findbugs_html)
diff --git a/envsetup.sh b/envsetup.sh
index bcfa893..3aaa096 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -187,7 +187,7 @@
             ;;
     esac
     if [ -n "$ANDROID_EMULATOR_PREBUILTS" -a -d "$ANDROID_EMULATOR_PREBUILTS" ]; then
-        ANDROID_BUILD_PATHS=$ANDROID_BUILD_PATHS:$ANDROID_EMULATOR_PREBUILTS
+        ANDROID_BUILD_PATHS=$ANDROID_BUILD_PATHS$ANDROID_EMULATOR_PREBUILTS:
         export ANDROID_EMULATOR_PREBUILTS
     fi
 
diff --git a/target/board/generic_arm64/BoardConfig.mk b/target/board/generic_arm64/BoardConfig.mk
index 7f8f3dc..c383f87 100644
--- a/target/board/generic_arm64/BoardConfig.mk
+++ b/target/board/generic_arm64/BoardConfig.mk
@@ -48,7 +48,7 @@
 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/product/core_minimal.mk b/target/product/core_minimal.mk
index 3ecad4c..0d3fb70 100644
--- a/target/product/core_minimal.mk
+++ b/target/product/core_minimal.mk
@@ -67,6 +67,9 @@
     webview \
     wifi-service
 
+PRODUCT_COPY_FILES += \
+    frameworks/native/data/etc/android.software.webview.xml:system/etc/permissions/android.software.webview.xml
+
 # The order of PRODUCT_BOOT_JARS matters.
 PRODUCT_BOOT_JARS := \
     core \
diff --git a/target/product/core_tiny.mk b/target/product/core_tiny.mk
index 43de63d..4d49121 100644
--- a/target/product/core_tiny.mk
+++ b/target/product/core_tiny.mk
@@ -62,6 +62,7 @@
     libsqlite_jni \
     libwilhelm \
     make_ext4fs \
+    nullwebview \
     screencap \
     sensorservice \
     uiautomator \
@@ -79,7 +80,8 @@
     framework2 \
     android.policy \
     services \
-    apache-xml
+    apache-xml \
+    nullwebview
 
 PRODUCT_RUNTIMES := runtime_libdvm_default
 
diff --git a/tools/droiddoc/templates-sdk/assets/css/default.css b/tools/droiddoc/templates-sdk/assets/css/default.css
index 522b237..688d048 100644
--- a/tools/droiddoc/templates-sdk/assets/css/default.css
+++ b/tools/droiddoc/templates-sdk/assets/css/default.css
@@ -4094,6 +4094,7 @@
   width: 26px;
   height: 25px;
   background: url(../images/dac_logo.png);
+  background-image: -webkit-image-set(url(../images/dac_logo.png) 1x, url(../images/dac_logo@2x.png) 2x);
   z-index: 52;
   position: relative;
 }