Merge "Remove PRODUCT_SEPOLICY_SPLIT."
diff --git a/core/Makefile b/core/Makefile
index 4e5787d..c3c5fb3 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -5401,6 +5401,9 @@
 ifdef BOARD_PREBUILT_DTBOIMAGE
 	$(hide) echo "flash dtbo" >> $@
 endif
+ifneq ($(INSTALLED_VENDOR_KERNEL_BOOTIMAGE_TARGET),)
+	$(hide) echo "flash vendor_kernel_boot" >> $@
+endif
 ifeq ($(BOARD_USES_PVMFWIMAGE),true)
 	$(hide) echo "flash pvmfw" >> $@
 endif
diff --git a/core/board_config.mk b/core/board_config.mk
index c8ec5a9..f459d83 100644
--- a/core/board_config.mk
+++ b/core/board_config.mk
@@ -1000,6 +1000,14 @@
   TARGET_FLATTEN_APEX := $(OVERRIDE_TARGET_FLATTEN_APEX)
 endif
 
+# TODO(b/278826656) Remove the following message
+ifeq (true,$(TARGET_FLATTEN_APEX))
+  $(warning ********************************************************************************)
+  $(warning Flattened APEX will be deprecated soon. Please stop using flattened APEX and use)
+  $(warning "image" APEX instead.)
+  $(warning ********************************************************************************)
+endif
+
 ifeq (,$(TARGET_BUILD_UNBUNDLED))
 ifdef PRODUCT_EXTRA_VNDK_VERSIONS
   $(foreach v,$(PRODUCT_EXTRA_VNDK_VERSIONS),$(call check_vndk_version,$(v)))
diff --git a/core/config.mk b/core/config.mk
index df0cbf5..c549296 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -551,7 +551,10 @@
 DISABLE_PREOPT_BOOT_IMAGES :=
 ifneq (,$(TARGET_BUILD_APPS)$(TARGET_BUILD_UNBUNDLED_IMAGE))
   DISABLE_PREOPT := true
-  DISABLE_PREOPT_BOOT_IMAGES := true
+  # VSDK builds perform dexpreopt during merge_target_files build step.
+  ifneq (true,$(BUILDING_WITH_VSDK))
+    DISABLE_PREOPT_BOOT_IMAGES := true
+  endif
 endif
 ifeq (true,$(TARGET_BUILD_UNBUNDLED))
   ifneq (true,$(UNBUNDLED_BUILD_SDKS_FROM_SOURCE))
@@ -1201,13 +1204,6 @@
 TARGET_SDK_VERSIONS_WITHOUT_JAVA_18_SUPPORT := $(call numbers_less_than,24,$(TARGET_AVAILABLE_SDK_VERSIONS))
 TARGET_SDK_VERSIONS_WITHOUT_JAVA_19_SUPPORT := $(call numbers_less_than,30,$(TARGET_AVAILABLE_SDK_VERSIONS))
 
-# Missing optional uses-libraries so that the platform doesn't create build rules that depend on
-# them.
-INTERNAL_PLATFORM_MISSING_USES_LIBRARIES := \
-  com.google.android.ble \
-  com.google.android.media.effects \
-  com.google.android.wearable \
-
 # This is the standard way to name a directory containing prebuilt target
 # objects. E.g., prebuilt/$(TARGET_PREBUILT_TAG)/libc.so
 TARGET_PREBUILT_TAG := android-$(TARGET_ARCH)
@@ -1264,6 +1260,9 @@
 
 .KATI_READONLY := JAVAC_NINJA_POOL R8_NINJA_POOL D8_NINJA_POOL
 
+# Soong modules that are known to have broken optional_uses_libs dependencies.
+BUILD_WARNING_BAD_OPTIONAL_USES_LIBS_ALLOWLIST := LegacyCamera Gallery2
+
 # These goals don't need to collect and include Android.mks/CleanSpec.mks
 # in the source tree.
 dont_bother_goals := out product-graph
diff --git a/core/config_sanitizers.mk b/core/config_sanitizers.mk
index 0e84f516..aa638d4 100644
--- a/core/config_sanitizers.mk
+++ b/core/config_sanitizers.mk
@@ -446,6 +446,13 @@
 # If local module needs HWASAN, add compiler flags.
 ifneq ($(filter hwaddress,$(my_sanitize)),)
   my_cflags += $(HWADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS)
+
+  ifneq ($(filter EXECUTABLES NATIVE_TESTS,$(LOCAL_MODULE_CLASS)),)
+    ifneq ($(LOCAL_FORCE_STATIC_EXECUTABLE),true)
+      my_linker := /system/bin/linker_hwasan64
+    endif
+  endif
+
 endif
 
 # Use minimal diagnostics when integer overflow is enabled; never do it for HOST modules
diff --git a/core/dex_preopt_odex_install.mk b/core/dex_preopt_odex_install.mk
index 2cf23a7..14fafa1 100644
--- a/core/dex_preopt_odex_install.mk
+++ b/core/dex_preopt_odex_install.mk
@@ -111,18 +111,19 @@
 # Local module variables and functions used in dexpreopt and manifest_check.
 ################################################################################
 
-my_filtered_optional_uses_libraries := $(filter-out $(INTERNAL_PLATFORM_MISSING_USES_LIBRARIES), \
-  $(LOCAL_OPTIONAL_USES_LIBRARIES))
-
 # TODO(b/132357300): This may filter out too much, as PRODUCT_PACKAGES doesn't
 # include all packages (the full list is unknown until reading all Android.mk
 # makefiles). As a consequence, a library may be present but not included in
 # dexpreopt, which will result in class loader context mismatch and a failure
-# to load dexpreopt code on device. We should fix this, either by deferring
-# dependency computation until the full list of product packages is known, or
-# by adding product-specific lists of missing libraries.
+# to load dexpreopt code on device.
+# However, we have to do filtering here. Otherwise, we may include extra
+# libraries that Soong and Make don't generate build rules for (e.g., a library
+# that exists in the source tree but not installable), and therefore get Ninja
+# errors.
+# We have deferred CLC computation to the Ninja phase, but the dependency
+# computation still needs to be done early. For now, this is the best we can do.
 my_filtered_optional_uses_libraries := $(filter $(PRODUCT_PACKAGES), \
-  $(my_filtered_optional_uses_libraries))
+  $(LOCAL_OPTIONAL_USES_LIBRARIES))
 
 ifeq ($(LOCAL_MODULE_CLASS),APPS)
   # compatibility libraries are added to class loader context of an app only if
diff --git a/core/instrumentation_test_config_template.xml b/core/instrumentation_test_config_template.xml
index 6ca964e..379126c 100644
--- a/core/instrumentation_test_config_template.xml
+++ b/core/instrumentation_test_config_template.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2017 The Android Open Source Project
+<!-- Copyright (C) 2023 The Android Open Source Project
 
      Licensed under the Apache License, Version 2.0 (the "License");
      you may not use this file except in compliance with the License.
@@ -24,7 +24,7 @@
     </target_preparer>
 
     <test class="com.android.tradefed.testtype.{TEST_TYPE}" >
-        <option name="package" value="{PACKAGE}" />
+        {EXTRA_TEST_RUNNER_CONFIGS}<option name="package" value="{PACKAGE}" />
         <option name="runner" value="{RUNNER}" />
     </test>
 </configuration>
diff --git a/core/java_host_test_config_template.xml b/core/java_host_test_config_template.xml
index 26c1caf..e123dc7 100644
--- a/core/java_host_test_config_template.xml
+++ b/core/java_host_test_config_template.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2018 The Android Open Source Project
+<!-- Copyright (C) 2023 The Android Open Source Project
 
      Licensed under the Apache License, Version 2.0 (the "License");
      you may not use this file except in compliance with the License.
@@ -21,6 +21,6 @@
     {EXTRA_CONFIGS}
 
     <test class="com.android.tradefed.testtype.HostTest" >
-        <option name="jar" value="{MODULE}.jar" />
+        {EXTRA_TEST_RUNNER_CONFIGS}<option name="jar" value="{MODULE}.jar" />
     </test>
 </configuration>
diff --git a/core/native_test_config_template.xml b/core/native_test_config_template.xml
index ea982cf..788157c 100644
--- a/core/native_test_config_template.xml
+++ b/core/native_test_config_template.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2017 The Android Open Source Project
+<!-- Copyright (C) 2023 The Android Open Source Project
 
      Licensed under the Apache License, Version 2.0 (the "License");
      you may not use this file except in compliance with the License.
@@ -26,7 +26,7 @@
     </target_preparer>
 
     <test class="com.android.tradefed.testtype.GTest" >
-        <option name="native-test-device-path" value="{TEST_INSTALL_BASE}" />
+        {EXTRA_TEST_RUNNER_CONFIGS}<option name="native-test-device-path" value="{TEST_INSTALL_BASE}" />
         <option name="module-name" value="{MODULE}" />
     </test>
 </configuration>
diff --git a/core/soong_config.mk b/core/soong_config.mk
index b485159..6383393 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -251,8 +251,6 @@
 
 $(call add_json_list, TargetFSConfigGen,                 $(TARGET_FS_CONFIG_GEN))
 
-$(call add_json_list, MissingUsesLibraries,              $(INTERNAL_PLATFORM_MISSING_USES_LIBRARIES))
-
 $(call add_json_map, VendorVars)
 $(foreach namespace,$(sort $(SOONG_CONFIG_NAMESPACES)),\
   $(call add_json_map, $(namespace))\
@@ -296,6 +294,8 @@
 $(call add_json_bool, BuildBrokenVendorPropertyNamespace, $(filter true,$(BUILD_BROKEN_VENDOR_PROPERTY_NAMESPACE)))
 $(call add_json_list, BuildBrokenInputDirModules, $(BUILD_BROKEN_INPUT_DIR_MODULES))
 
+$(call add_json_list, BuildWarningBadOptionalUsesLibsAllowlist,    $(BUILD_WARNING_BAD_OPTIONAL_USES_LIBS_ALLOWLIST))
+
 $(call add_json_bool, BuildDebugfsRestrictionsEnabled, $(filter true,$(PRODUCT_SET_DEBUGFS_RESTRICTIONS)))
 
 $(call add_json_bool, RequiresInsecureExecmemForSwiftshader, $(filter true,$(PRODUCT_REQUIRES_INSECURE_EXECMEM_FOR_SWIFTSHADER)))
diff --git a/target/product/base_system.mk b/target/product/base_system.mk
index d65e5a4..a23fdd5 100644
--- a/target/product/base_system.mk
+++ b/target/product/base_system.mk
@@ -265,7 +265,6 @@
     sm \
     snapshotctl \
     snapuserd \
-    SoundPicker \
     storaged \
     surfaceflinger \
     svc \
@@ -291,6 +290,13 @@
     wifi.rc \
     wm \
 
+# These packages are not used on Android TV
+ifneq ($(PRODUCT_IS_ATV),true)
+  PRODUCT_PACKAGES += \
+      SoundPicker \
+
+endif
+
 # VINTF data for system image
 PRODUCT_PACKAGES += \
     system_manifest.xml \
diff --git a/target/product/default_art_config.mk b/target/product/default_art_config.mk
index 752b199..1e28c80 100644
--- a/target/product/default_art_config.mk
+++ b/target/product/default_art_config.mk
@@ -115,4 +115,4 @@
     dalvik.vm.dex2oat-Xms=64m \
     dalvik.vm.dex2oat-Xmx=512m \
 
-PRODUCT_ENABLE_UFFD_GC := false  # TODO(jiakaiz): Change this to "default".
+PRODUCT_ENABLE_UFFD_GC := default
diff --git a/tools/aconfig/src/cache.rs b/tools/aconfig/src/cache.rs
index 30810fa..44ad3dd 100644
--- a/tools/aconfig/src/cache.rs
+++ b/tools/aconfig/src/cache.rs
@@ -19,6 +19,7 @@
 use std::io::{Read, Write};
 
 use crate::aconfig::{FlagDeclaration, FlagState, FlagValue, Permission};
+use crate::codegen;
 use crate::commands::Source;
 
 const DEFAULT_FLAG_STATE: FlagState = FlagState::Disabled;
@@ -108,7 +109,7 @@
 
 impl CacheBuilder {
     pub fn new(namespace: String) -> Result<CacheBuilder> {
-        ensure!(!namespace.is_empty(), "empty namespace");
+        ensure!(codegen::is_valid_identifier(&namespace), "bad namespace");
         let cache = Cache { namespace, items: vec![] };
         Ok(CacheBuilder { cache })
     }
@@ -118,7 +119,7 @@
         source: Source,
         declaration: FlagDeclaration,
     ) -> Result<&mut CacheBuilder> {
-        ensure!(!declaration.name.is_empty(), "empty flag name");
+        ensure!(codegen::is_valid_identifier(&declaration.name), "bad flag name");
         ensure!(!declaration.description.is_empty(), "empty flag description");
         ensure!(
             self.cache.items.iter().all(|item| item.name != declaration.name),
@@ -146,8 +147,8 @@
         source: Source,
         value: FlagValue,
     ) -> Result<&mut CacheBuilder> {
-        ensure!(!value.namespace.is_empty(), "empty flag namespace");
-        ensure!(!value.name.is_empty(), "empty flag name");
+        ensure!(codegen::is_valid_identifier(&value.namespace), "bad flag namespace");
+        ensure!(codegen::is_valid_identifier(&value.name), "bad flag name");
         ensure!(
             value.namespace == self.cache.namespace,
             "failed to set values for flag {}/{} from {}: expected namespace {}",
@@ -270,14 +271,14 @@
             .add_flag_value(
                 Source::Memory,
                 FlagValue {
-                    namespace: "some-other-namespace".to_string(),
+                    namespace: "some_other_namespace".to_string(),
                     name: "foo".to_string(),
                     state: FlagState::Enabled,
                     permission: Permission::ReadOnly,
                 },
             )
             .unwrap_err();
-        assert_eq!(&format!("{:?}", error), "failed to set values for flag some-other-namespace/foo from <memory>: expected namespace ns");
+        assert_eq!(&format!("{:?}", error), "failed to set values for flag some_other_namespace/foo from <memory>: expected namespace ns");
 
         let cache = builder.build();
         let item = cache.iter().find(|&item| item.name == "foo").unwrap();
@@ -300,7 +301,7 @@
                 FlagDeclaration { name: "".to_string(), description: "Description".to_string() },
             )
             .unwrap_err();
-        assert_eq!(&format!("{:?}", error), "empty flag name");
+        assert_eq!(&format!("{:?}", error), "bad flag name");
 
         let error = builder
             .add_flag_declaration(
@@ -332,7 +333,7 @@
                 },
             )
             .unwrap_err();
-        assert_eq!(&format!("{:?}", error), "empty flag namespace");
+        assert_eq!(&format!("{:?}", error), "bad flag namespace");
 
         let error = builder
             .add_flag_value(
@@ -345,7 +346,7 @@
                 },
             )
             .unwrap_err();
-        assert_eq!(&format!("{:?}", error), "empty flag name");
+        assert_eq!(&format!("{:?}", error), "bad flag name");
     }
 
     #[test]
diff --git a/tools/aconfig/src/codegen.rs b/tools/aconfig/src/codegen.rs
new file mode 100644
index 0000000..b60ec51
--- /dev/null
+++ b/tools/aconfig/src/codegen.rs
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+pub fn is_valid_identifier(s: &str) -> bool {
+    // Identifiers must match [a-z][a-z0-9_]*
+    let mut chars = s.chars();
+    let Some(first) = chars.next() else {
+        return false;
+    };
+    if !first.is_ascii_lowercase() {
+        return false;
+    }
+    chars.all(|ch| ch.is_ascii_lowercase() || ch.is_ascii_digit() || ch == '_')
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_is_valid_identifier() {
+        assert!(is_valid_identifier("foo"));
+        assert!(is_valid_identifier("foo_bar_123"));
+
+        assert!(!is_valid_identifier(""));
+        assert!(!is_valid_identifier("123_foo"));
+        assert!(!is_valid_identifier("foo-bar"));
+        assert!(!is_valid_identifier("foo-b\u{00e5}r"));
+    }
+}
diff --git a/tools/aconfig/src/codegen_java.rs b/tools/aconfig/src/codegen_java.rs
index 733b1c5..98288e7 100644
--- a/tools/aconfig/src/codegen_java.rs
+++ b/tools/aconfig/src/codegen_java.rs
@@ -31,7 +31,7 @@
     let mut template = TinyTemplate::new();
     template.add_template("java_code_gen", include_str!("../templates/java.template"))?;
     let contents = template.render("java_code_gen", &context)?;
-    let mut path: PathBuf = namespace.split('.').collect();
+    let mut path: PathBuf = ["aconfig", namespace].iter().collect();
     // TODO: Allow customization of the java class name
     path.push("Flags.java");
     Ok(OutputFile { contents: contents.into(), path })
@@ -76,7 +76,7 @@
 
     #[test]
     fn test_generate_java_code() {
-        let namespace = "com.example";
+        let namespace = "example";
         let mut builder = CacheBuilder::new(namespace.to_string()).unwrap();
         builder
             .add_flag_declaration(
@@ -106,7 +106,7 @@
             )
             .unwrap();
         let cache = builder.build();
-        let expect_content = r#"package com.example;
+        let expect_content = r#"package aconfig.example;
 
         import android.provider.DeviceConfig;
 
@@ -118,7 +118,7 @@
 
             public static boolean test2() {
                 return DeviceConfig.getBoolean(
-                    "com.example",
+                    "example",
                     "test2__test2",
                     false
                 );
@@ -127,7 +127,7 @@
         }
         "#;
         let file = generate_java_code(&cache).unwrap();
-        assert_eq!("com/example/Flags.java", file.path.to_str().unwrap());
+        assert_eq!("aconfig/example/Flags.java", file.path.to_str().unwrap());
         assert_eq!(
             expect_content.replace(' ', ""),
             String::from_utf8(file.contents).unwrap().replace(' ', "")
diff --git a/tools/aconfig/src/codegen_rust.rs b/tools/aconfig/src/codegen_rust.rs
index d75e315..fe4231b 100644
--- a/tools/aconfig/src/codegen_rust.rs
+++ b/tools/aconfig/src/codegen_rust.rs
@@ -23,10 +23,10 @@
 use crate::commands::OutputFile;
 
 pub fn generate_rust_code(cache: &Cache) -> Result<OutputFile> {
-    let namespace = cache.namespace().to_lowercase();
+    let namespace = cache.namespace();
     let parsed_flags: Vec<TemplateParsedFlag> =
-        cache.iter().map(|item| create_template_parsed_flag(&namespace, item)).collect();
-    let context = TemplateContext { namespace, parsed_flags };
+        cache.iter().map(|item| create_template_parsed_flag(namespace, item)).collect();
+    let context = TemplateContext { namespace: namespace.to_string(), parsed_flags };
     let mut template = TinyTemplate::new();
     template.add_template("rust_code_gen", include_str!("../templates/rust.template"))?;
     let contents = template.render("rust_code_gen", &context)?;
@@ -56,7 +56,7 @@
 fn create_template_parsed_flag(namespace: &str, item: &Item) -> TemplateParsedFlag {
     let template = TemplateParsedFlag {
         name: item.name.clone(),
-        fn_name: format!("{}_{}", namespace, item.name.replace('-', "_").to_lowercase()),
+        fn_name: format!("{}_{}", namespace, &item.name),
         is_read_only_enabled: item.permission == Permission::ReadOnly
             && item.state == FlagState::Enabled,
         is_read_only_disabled: item.permission == Permission::ReadOnly
@@ -111,7 +111,7 @@
 
 #[inline(always)]
 pub fn r#test_disabled_rw() -> bool {
-    profcollect_libflags_rust::GetServerConfigurableFlag("test", "disabled-rw", "false") == "true"
+    flags_rust::GetServerConfigurableFlag("test", "disabled_rw", "false") == "true"
 }
 
 #[inline(always)]
@@ -121,7 +121,7 @@
 
 #[inline(always)]
 pub fn r#test_enabled_rw() -> bool {
-    profcollect_libflags_rust::GetServerConfigurableFlag("test", "enabled-rw", "false") == "true"
+    flags_rust::GetServerConfigurableFlag("test", "enabled_rw", "false") == "true"
 }
 "#;
         assert_eq!(expected.trim(), String::from_utf8(generated.contents).unwrap().trim());
diff --git a/tools/aconfig/src/main.rs b/tools/aconfig/src/main.rs
index b60909b..1d2ec95 100644
--- a/tools/aconfig/src/main.rs
+++ b/tools/aconfig/src/main.rs
@@ -26,6 +26,7 @@
 
 mod aconfig;
 mod cache;
+mod codegen;
 mod codegen_cpp;
 mod codegen_java;
 mod codegen_rust;
diff --git a/tools/aconfig/templates/java.template b/tools/aconfig/templates/java.template
index 89da18b..30c7ad7 100644
--- a/tools/aconfig/templates/java.template
+++ b/tools/aconfig/templates/java.template
@@ -1,4 +1,4 @@
-package {namespace};
+package aconfig.{namespace};
 {{ if readwrite }}
 import android.provider.DeviceConfig;
 {{ endif }}
@@ -10,7 +10,7 @@
             "{namespace}",
             "{item.feature_name}__{item.flag_name}",
             {item.default_value}
-        ); 
+        );
         {{ -else- }}
         return {item.default_value};
         {{ -endif }}
diff --git a/tools/aconfig/templates/rust.template b/tools/aconfig/templates/rust.template
index 391c594..d7f4e8d 100644
--- a/tools/aconfig/templates/rust.template
+++ b/tools/aconfig/templates/rust.template
@@ -16,7 +16,7 @@
 {{- if parsed_flag.is_read_write -}}
 #[inline(always)]
 pub fn r#{parsed_flag.fn_name}() -> bool \{
-    profcollect_libflags_rust::GetServerConfigurableFlag("{namespace}", "{parsed_flag.name}", "false") == "true"
+    flags_rust::GetServerConfigurableFlag("{namespace}", "{parsed_flag.name}", "false") == "true"
 }
 
 {{ endif -}}
diff --git a/tools/aconfig/testdata/first.values b/tools/aconfig/testdata/first.values
index e6017fe..3c49111 100644
--- a/tools/aconfig/testdata/first.values
+++ b/tools/aconfig/testdata/first.values
@@ -1,18 +1,18 @@
 flag_value {
     namespace: "test"
-    name: "disabled-ro"
+    name: "disabled_ro"
     state: DISABLED
     permission: READ_ONLY
 }
 flag_value {
     namespace: "test"
-    name: "enabled-ro"
+    name: "enabled_ro"
     state: DISABLED
     permission: READ_WRITE
 }
 flag_value {
     namespace: "test"
-    name: "enabled-rw"
+    name: "enabled_rw"
     state: ENABLED
     permission: READ_WRITE
 }
diff --git a/tools/aconfig/testdata/second.values b/tools/aconfig/testdata/second.values
index 44b6b3e..3fe11ab 100644
--- a/tools/aconfig/testdata/second.values
+++ b/tools/aconfig/testdata/second.values
@@ -1,6 +1,6 @@
 flag_value {
     namespace: "test"
-    name: "enabled-ro"
+    name: "enabled_ro"
     state: ENABLED
     permission: READ_ONLY
 }
diff --git a/tools/aconfig/testdata/test.aconfig b/tools/aconfig/testdata/test.aconfig
index 16be425..986a526 100644
--- a/tools/aconfig/testdata/test.aconfig
+++ b/tools/aconfig/testdata/test.aconfig
@@ -4,14 +4,14 @@
 # - test.aconfig: DISABLED + READ_WRITE (default)
 # - first.values: DISABLED + READ_ONLY
 flag {
-    name: "disabled-ro"
+    name: "disabled_ro"
     description: "This flag is DISABLED + READ_ONLY"
 }
 
 # This flag's final value is calculated from:
 # - test.aconfig: DISABLED + READ_WRITE (default)
 flag {
-    name: "disabled-rw"
+    name: "disabled_rw"
     description: "This flag is DISABLED + READ_WRITE"
 }
 
@@ -20,7 +20,7 @@
 # - first.values: DISABLED + READ_WRITE
 # - second.values: ENABLED + READ_ONLY
 flag {
-    name: "enabled-ro"
+    name: "enabled_ro"
     description: "This flag is ENABLED + READ_ONLY"
 }
 
@@ -28,6 +28,6 @@
 # - test.aconfig: DISABLED + READ_WRITE (default)
 # - first.values: ENABLED + READ_WRITE
 flag {
-    name: "enabled-rw"
+    name: "enabled_rw"
     description: "This flag is ENABLED + READ_WRITE"
 }
diff --git a/tools/releasetools/img_from_target_files.py b/tools/releasetools/img_from_target_files.py
index 17f4cc5..fa53ad2 100755
--- a/tools/releasetools/img_from_target_files.py
+++ b/tools/releasetools/img_from_target_files.py
@@ -64,7 +64,7 @@
 OPTIONS.retrofit_dap = None
 OPTIONS.build_super = None
 OPTIONS.sparse_userimages = None
-
+OPTIONS.use_fastboot_info = False
 
 def LoadOptions(input_file):
   """Loads information from input_file to OPTIONS.
@@ -118,8 +118,9 @@
 
   entries = [
       'OTA/android-info.txt:android-info.txt',
-      'META/fastboot-info.txt:fastboot-info.txt',
   ]
+  if OPTIONS.use_fastboot_info:
+    entries.append('META/fastboot-info.txt:fastboot-info.txt')
   with zipfile.ZipFile(input_file) as input_zip:
     namelist = input_zip.namelist()
   if 'PREBUILT_IMAGES/kernel_16k' in namelist:
diff --git a/tools/releasetools/ota_utils.py b/tools/releasetools/ota_utils.py
index fa9516e..63a863e 100644
--- a/tools/releasetools/ota_utils.py
+++ b/tools/releasetools/ota_utils.py
@@ -817,8 +817,8 @@
     target_dir = ExtractTargetFiles(target_file)
     cmd = ["delta_generator",
            "--out_file", payload_file]
-    with open(os.path.join(target_dir, "META", "ab_partitions.txt")) as fp:
-      ab_partitions = fp.read().strip().split("\n")
+    with open(os.path.join(target_dir, "META", "ab_partitions.txt"), "r") as fp:
+      ab_partitions = fp.read().strip().splitlines()
     cmd.extend(["--partition_names", ":".join(ab_partitions)])
     cmd.extend(
         ["--new_partitions", GetPartitionImages(target_dir, ab_partitions, False)])