Merge changes from topic "apexd_host"

* changes:
  Use apexd_host for host-side APEX extraction
  Deprecate flattened apexes
diff --git a/core/Makefile b/core/Makefile
index cb5f4c4..46350f6 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -4892,6 +4892,8 @@
 check_vintf_all_deps += $(vintffm_log)
 $(vintffm_log): $(HOST_OUT_EXECUTABLES)/vintffm $(check_vintf_system_deps)
 	@( $< --check --dirmap /system:$(TARGET_OUT) \
+	  --dirmap /system_ext:$(TARGET_OUT_SYSTEM_EXT) \
+	  --dirmap /product:$(TARGET_OUT_PRODUCT) \
 	  $(VINTF_FRAMEWORK_MANIFEST_FROZEN_DIR) > $@ 2>&1 ) || ( cat $@ && exit 1 )
 
 $(call declare-1p-target,$(vintffm_log))
@@ -5406,6 +5408,9 @@
 ifneq ($(INSTALLED_VENDOR_KERNEL_BOOTIMAGE_TARGET),)
 	$(hide) echo "flash vendor_kernel_boot" >> $@
 endif
+ifneq ($(INSTALLED_RECOVERYIMAGE_TARGET),)
+	$(hide) echo "flash recovery" >> $@
+endif
 ifeq ($(BOARD_USES_PVMFWIMAGE),true)
 	$(hide) echo "flash pvmfw" >> $@
 endif
diff --git a/core/base_rules.mk b/core/base_rules.mk
index c61c653..9ad1cc5 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -450,6 +450,12 @@
 $(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_IS_HOST_MODULE := $(LOCAL_IS_HOST_MODULE)
 $(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_HOST:= $(my_host)
 $(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_PREFIX := $(my_prefix)
+$(LOCAL_INTERMEDIATE_TARGETS) : .KATI_TAGS += ;module_name=$(LOCAL_MODULE)
+ifeq ($(LOCAL_MODULE_CLASS),)
+$(error "$(LOCAL_MODULE) in $(LOCAL_PATH) does not set $(LOCAL_MODULE_CLASS)")
+else
+$(LOCAL_INTERMEDIATE_TARGETS) : .KATI_TAGS += ;module_type=$(LOCAL_MODULE_CLASS)
+endif
 
 $(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_INTERMEDIATES_DIR:= $(intermediates)
 $(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_2ND_ARCH_VAR_PREFIX := $(LOCAL_2ND_ARCH_VAR_PREFIX)
diff --git a/packaging/distdir.mk b/packaging/distdir.mk
index c9508af..153ecf6 100644
--- a/packaging/distdir.mk
+++ b/packaging/distdir.mk
@@ -30,6 +30,7 @@
     $(eval _dist_$$(goal):)))
 
 define copy-one-dist-file
+$(2): .KATI_TAGS += ;rule_name=dist-cp
 $(2): $(1)
 	@echo "Dist: $$@"
 	rm -f $$@
diff --git a/tools/aconfig/src/codegen_java.rs b/tools/aconfig/src/codegen_java.rs
index 47516b7..15eb2d6 100644
--- a/tools/aconfig/src/codegen_java.rs
+++ b/tools/aconfig/src/codegen_java.rs
@@ -20,17 +20,23 @@
 use tinytemplate::TinyTemplate;
 
 use crate::codegen;
-use crate::commands::OutputFile;
+use crate::commands::{CodegenMode, OutputFile};
 use crate::protos::{ProtoFlagPermission, ProtoFlagState, ProtoParsedFlag};
 
-pub fn generate_java_code<'a, I>(package: &str, parsed_flags_iter: I) -> Result<Vec<OutputFile>>
+pub fn generate_java_code<'a, I>(
+    package: &str,
+    parsed_flags_iter: I,
+    codegen_mode: CodegenMode,
+) -> Result<Vec<OutputFile>>
 where
     I: Iterator<Item = &'a ProtoParsedFlag>,
 {
     let class_elements: Vec<ClassElement> =
         parsed_flags_iter.map(|pf| create_class_element(package, pf)).collect();
     let is_read_write = class_elements.iter().any(|elem| elem.is_read_write);
-    let context = Context { package_name: package.to_string(), is_read_write, class_elements };
+    let is_test_mode = codegen_mode == CodegenMode::Test;
+    let context =
+        Context { class_elements, is_test_mode, is_read_write, package_name: package.to_string() };
     let mut template = TinyTemplate::new();
     template.add_template("Flags.java", include_str!("../templates/Flags.java.template"))?;
     template.add_template(
@@ -56,14 +62,15 @@
 
 #[derive(Serialize)]
 struct Context {
-    pub package_name: String,
-    pub is_read_write: bool,
     pub class_elements: Vec<ClassElement>,
+    pub is_test_mode: bool,
+    pub is_read_write: bool,
+    pub package_name: String,
 }
 
 #[derive(Serialize)]
 struct ClassElement {
-    pub default_value: String,
+    pub default_value: bool,
     pub device_config_namespace: String,
     pub device_config_flag: String,
     pub flag_name_constant_suffix: String,
@@ -75,11 +82,7 @@
     let device_config_flag = codegen::create_device_config_ident(package, pf.name())
         .expect("values checked at flag parse time");
     ClassElement {
-        default_value: if pf.state() == ProtoFlagState::ENABLED {
-            "true".to_string()
-        } else {
-            "false".to_string()
-        },
+        default_value: pf.state() == ProtoFlagState::ENABLED,
         device_config_namespace: pf.namespace().to_string(),
         device_config_flag,
         flag_name_constant_suffix: pf.name().to_ascii_uppercase(),
@@ -109,34 +112,50 @@
     use super::*;
     use std::collections::HashMap;
 
-    #[test]
-    fn test_generate_java_code() {
-        let parsed_flags = crate::test::parse_test_flags();
-        let generated_files =
-            generate_java_code(crate::test::TEST_PACKAGE, parsed_flags.parsed_flag.iter()).unwrap();
-        let expect_flags_content = r#"
-        package com.android.aconfig.test;
-        public final class Flags {
-            public static final String FLAG_DISABLED_RO = "com.android.aconfig.test.disabled_ro";
-            public static final String FLAG_DISABLED_RW = "com.android.aconfig.test.disabled_rw";
-            public static final String FLAG_ENABLED_RO = "com.android.aconfig.test.enabled_ro";
-            public static final String FLAG_ENABLED_RW = "com.android.aconfig.test.enabled_rw";
+    const EXPECTED_FEATUREFLAGS_CONTENT: &str = r#"
+    package com.android.aconfig.test;
+    public interface FeatureFlags {
+        boolean disabledRo();
+        boolean disabledRw();
+        boolean enabledRo();
+        boolean enabledRw();
+    }"#;
 
-            public static boolean disabledRo() {
-                return FEATURE_FLAGS.disabledRo();
-            }
-            public static boolean disabledRw() {
-                return FEATURE_FLAGS.disabledRw();
-            }
-            public static boolean enabledRo() {
-                return FEATURE_FLAGS.enabledRo();
-            }
-            public static boolean enabledRw() {
-                return FEATURE_FLAGS.enabledRw();
-            }
-            private static FeatureFlags FEATURE_FLAGS = new FeatureFlagsImpl();
+    const EXPECTED_FLAG_COMMON_CONTENT: &str = r#"
+    package com.android.aconfig.test;
+    public final class Flags {
+        public static final String FLAG_DISABLED_RO = "com.android.aconfig.test.disabled_ro";
+        public static final String FLAG_DISABLED_RW = "com.android.aconfig.test.disabled_rw";
+        public static final String FLAG_ENABLED_RO = "com.android.aconfig.test.enabled_ro";
+        public static final String FLAG_ENABLED_RW = "com.android.aconfig.test.enabled_rw";
+
+        public static boolean disabledRo() {
+            return FEATURE_FLAGS.disabledRo();
         }
-        "#;
+        public static boolean disabledRw() {
+            return FEATURE_FLAGS.disabledRw();
+        }
+        public static boolean enabledRo() {
+            return FEATURE_FLAGS.enabledRo();
+        }
+        public static boolean enabledRw() {
+            return FEATURE_FLAGS.enabledRw();
+        }
+    "#;
+
+    #[test]
+    fn test_generate_java_code_production() {
+        let parsed_flags = crate::test::parse_test_flags();
+        let generated_files = generate_java_code(
+            crate::test::TEST_PACKAGE,
+            parsed_flags.parsed_flag.iter(),
+            CodegenMode::Production,
+        )
+        .unwrap();
+        let expect_flags_content = EXPECTED_FLAG_COMMON_CONTENT.to_string()
+            + r#"
+            private static FeatureFlags FEATURE_FLAGS = new FeatureFlagsImpl();
+        }"#;
         let expected_featureflagsimpl_content = r#"
         package com.android.aconfig.test;
         import android.provider.DeviceConfig;
@@ -167,19 +186,102 @@
             }
         }
         "#;
-        let expected_featureflags_content = r#"
+        let mut file_set = HashMap::from([
+            ("com/android/aconfig/test/Flags.java", expect_flags_content.as_str()),
+            ("com/android/aconfig/test/FeatureFlagsImpl.java", expected_featureflagsimpl_content),
+            ("com/android/aconfig/test/FeatureFlags.java", EXPECTED_FEATUREFLAGS_CONTENT),
+        ]);
+
+        for file in generated_files {
+            let file_path = file.path.to_str().unwrap();
+            assert!(file_set.contains_key(file_path), "Cannot find {}", file_path);
+            assert_eq!(
+                None,
+                crate::test::first_significant_code_diff(
+                    file_set.get(file_path).unwrap(),
+                    &String::from_utf8(file.contents.clone()).unwrap()
+                ),
+                "File {} content is not correct",
+                file_path
+            );
+            file_set.remove(file_path);
+        }
+
+        assert!(file_set.is_empty());
+    }
+
+    #[test]
+    fn test_generate_java_code_test() {
+        let parsed_flags = crate::test::parse_test_flags();
+        let generated_files = generate_java_code(
+            crate::test::TEST_PACKAGE,
+            parsed_flags.parsed_flag.iter(),
+            CodegenMode::Test,
+        )
+        .unwrap();
+        let expect_flags_content = EXPECTED_FLAG_COMMON_CONTENT.to_string()
+            + r#"
+            public static void setFeatureFlagsImpl(FeatureFlags featureFlags) {
+                Flags.FEATURE_FLAGS = featureFlags;
+            }
+            public static void unsetFeatureFlagsImpl() {
+                Flags.FEATURE_FLAGS = null;
+            }
+            private static FeatureFlags FEATURE_FLAGS;
+        }
+        "#;
+        let expected_featureflagsimpl_content = r#"
         package com.android.aconfig.test;
-        public interface FeatureFlags {
-            boolean disabledRo();
-            boolean disabledRw();
-            boolean enabledRo();
-            boolean enabledRw();
+        import static java.util.stream.Collectors.toMap;
+        import java.util.stream.Stream;
+        import java.util.HashMap;
+        public final class FeatureFlagsImpl implements FeatureFlags {
+            @Override
+            public boolean disabledRo() {
+                return getFlag(Flags.FLAG_DISABLED_RO);
+            }
+            @Override
+            public boolean disabledRw() {
+                return getFlag(Flags.FLAG_DISABLED_RW);
+            }
+            @Override
+            public boolean enabledRo() {
+                return getFlag(Flags.FLAG_ENABLED_RO);
+            }
+            @Override
+            public boolean enabledRw() {
+                return getFlag(Flags.FLAG_ENABLED_RW);
+            }
+            public void setFlag(String flagName, boolean value) {
+                if (!this.mFlagMap.containsKey(flagName)) {
+                    throw new IllegalArgumentException("no such flag" + flagName);
+                }
+                this.mFlagMap.put(flagName, value);
+            }
+            private boolean getFlag(String flagName) {
+                Boolean value = this.mFlagMap.get(flagName);
+                if (value == null) {
+                    throw new IllegalArgumentException(flagName + " is not set");
+                }
+                return value;
+            }
+            private HashMap<String, Boolean> mFlagMap = Stream.of(
+                    Flags.FLAG_DISABLED_RO,
+                    Flags.FLAG_DISABLED_RW,
+                    Flags.FLAG_ENABLED_RO,
+                    Flags.FLAG_ENABLED_RW
+                )
+                .collect(
+                    HashMap::new,
+                    (map, elem) -> map.put(elem, null),
+                    HashMap::putAll
+                );
         }
         "#;
         let mut file_set = HashMap::from([
-            ("com/android/aconfig/test/Flags.java", expect_flags_content),
+            ("com/android/aconfig/test/Flags.java", expect_flags_content.as_str()),
             ("com/android/aconfig/test/FeatureFlagsImpl.java", expected_featureflagsimpl_content),
-            ("com/android/aconfig/test/FeatureFlags.java", expected_featureflags_content),
+            ("com/android/aconfig/test/FeatureFlags.java", EXPECTED_FEATUREFLAGS_CONTENT),
         ]);
 
         for file in generated_files {
diff --git a/tools/aconfig/src/commands.rs b/tools/aconfig/src/commands.rs
index 58831cc..dd2087b 100644
--- a/tools/aconfig/src/commands.rs
+++ b/tools/aconfig/src/commands.rs
@@ -129,12 +129,18 @@
     Ok(output)
 }
 
-pub fn create_java_lib(mut input: Input) -> Result<Vec<OutputFile>> {
+#[derive(Copy, Clone, Debug, PartialEq, Eq, ValueEnum)]
+pub enum CodegenMode {
+    Production,
+    Test,
+}
+
+pub fn create_java_lib(mut input: Input, codegen_mode: CodegenMode) -> Result<Vec<OutputFile>> {
     let parsed_flags = input.try_parse_flags()?;
     let Some(package) = find_unique_package(&parsed_flags) else {
         bail!("no parsed flags, or the parsed flags use different packages");
     };
-    generate_java_code(package, parsed_flags.parsed_flag.iter())
+    generate_java_code(package, parsed_flags.parsed_flag.iter(), codegen_mode)
 }
 
 pub fn create_cpp_lib(mut input: Input) -> Result<OutputFile> {
diff --git a/tools/aconfig/src/main.rs b/tools/aconfig/src/main.rs
index e6a325d..e20c60c 100644
--- a/tools/aconfig/src/main.rs
+++ b/tools/aconfig/src/main.rs
@@ -34,7 +34,7 @@
 #[cfg(test)]
 mod test;
 
-use commands::{DumpFormat, Input, OutputFile};
+use commands::{CodegenMode, DumpFormat, Input, OutputFile};
 
 fn cli() -> Command {
     Command::new("aconfig")
@@ -49,7 +49,13 @@
         .subcommand(
             Command::new("create-java-lib")
                 .arg(Arg::new("cache").long("cache").required(true))
-                .arg(Arg::new("out").long("out").required(true)),
+                .arg(Arg::new("out").long("out").required(true))
+                .arg(
+                    Arg::new("mode")
+                        .long("mode")
+                        .value_parser(EnumValueParser::<commands::CodegenMode>::new())
+                        .default_value("production"),
+                ),
         )
         .subcommand(
             Command::new("create-cpp-lib")
@@ -148,7 +154,8 @@
         }
         Some(("create-java-lib", sub_matches)) => {
             let cache = open_single_file(sub_matches, "cache")?;
-            let generated_files = commands::create_java_lib(cache)?;
+            let mode = get_required_arg::<CodegenMode>(sub_matches, "mode")?;
+            let generated_files = commands::create_java_lib(cache, *mode)?;
             let dir = PathBuf::from(get_required_arg::<String>(sub_matches, "out")?);
             generated_files
                 .iter()
diff --git a/tools/aconfig/templates/FeatureFlagsImpl.java.template b/tools/aconfig/templates/FeatureFlagsImpl.java.template
index 2b031f1..dafd99e 100644
--- a/tools/aconfig/templates/FeatureFlagsImpl.java.template
+++ b/tools/aconfig/templates/FeatureFlagsImpl.java.template
@@ -1,20 +1,61 @@
 package {package_name};
-{{ if is_read_write }}
+{{ -if is_test_mode }}
+import static java.util.stream.Collectors.toMap;
+
+import java.util.stream.Stream;
+import java.util.HashMap;
+{{ else}}
+{{ if is_read_write- }}
 import android.provider.DeviceConfig;
+{{ -endif- }}
 {{ endif }}
 public final class FeatureFlagsImpl implements FeatureFlags \{
     {{ for item in class_elements}}
     @Override
     public boolean {item.method_name}() \{
-        {{ if item.is_read_write- }}
+        {{ -if not is_test_mode- }}
+        {{ if item.is_read_write }}
         return DeviceConfig.getBoolean(
             "{item.device_config_namespace}",
             "{item.device_config_flag}",
             {item.default_value}
         );
-        {{ -else- }}
+        {{ else }}
         return {item.default_value};
+        {{ -endif- }}
+        {{ else }}
+        return getFlag(Flags.FLAG_{item.flag_name_constant_suffix});
         {{ -endif }}
     }
     {{ endfor }}
-}
\ No newline at end of file
+
+    {{ if is_test_mode- }}
+    public void setFlag(String flagName, boolean value) \{
+        if (!this.mFlagMap.containsKey(flagName)) \{
+            throw new IllegalArgumentException("no such flag" + flagName);
+        }
+        this.mFlagMap.put(flagName, value);
+    }
+
+    private boolean getFlag(String flagName) \{
+        Boolean value = this.mFlagMap.get(flagName);
+        if (value == null) \{
+            throw new IllegalArgumentException(flagName + " is not set");
+        }
+        return value;
+    }
+
+    private HashMap<String, Boolean> mFlagMap = Stream.of(
+            {{-for item in class_elements}}
+            Flags.FLAG_{item.flag_name_constant_suffix}{{ if not @last }},{{ endif }}
+            {{ -endfor }}
+        )
+        .collect(
+            HashMap::new,
+            (map, elem) -> map.put(elem, null),
+            HashMap::putAll
+        );
+    {{ -endif }}
+}
+
+
diff --git a/tools/aconfig/templates/Flags.java.template b/tools/aconfig/templates/Flags.java.template
index 62116c5..eef98eb 100644
--- a/tools/aconfig/templates/Flags.java.template
+++ b/tools/aconfig/templates/Flags.java.template
@@ -9,6 +9,16 @@
         return FEATURE_FLAGS.{item.method_name}();
     }
     {{ endfor }}
-    private static FeatureFlags FEATURE_FLAGS = new FeatureFlagsImpl();
+    {{ if is_test_mode }}
+    public static void setFeatureFlagsImpl(FeatureFlags featureFlags) \{
+        Flags.FEATURE_FLAGS = featureFlags;
+    }
+
+    public static void unsetFeatureFlagsImpl() \{
+        Flags.FEATURE_FLAGS = null;
+    }
+    {{ -endif}}
+
+    private static FeatureFlags FEATURE_FLAGS{{ -if not is_test_mode }} = new FeatureFlagsImpl(){{ -endif- }};
 
 }
diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index 4c390b4..091121f 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -1424,9 +1424,10 @@
   def ResolveBinaryPath(path):
     if os.path.exists(path):
       return path
-    new_path = os.path.join(OPTIONS.search_path, path)
-    if os.path.exists(new_path):
-      return new_path
+    if OPTIONS.search_path:
+      new_path = os.path.join(OPTIONS.search_path, path)
+      if os.path.exists(new_path):
+        return new_path
     raise ExternalError(
         "Failed to find {}".format(new_path))