Merge "Reapply "Rename LOCAL_USE_VNDK"" into main
diff --git a/core/config_sanitizers.mk b/core/config_sanitizers.mk
index 3507961..ab2d5c1 100644
--- a/core/config_sanitizers.mk
+++ b/core/config_sanitizers.mk
@@ -261,10 +261,10 @@
 
 ifneq ($(filter memtag_heap memtag_stack memtag_globals,$(my_sanitize)),)
   ifneq ($(filter memtag_heap,$(my_sanitize_diag)),)
-    my_cflags += -fsanitize-memtag-mode=sync
+    my_ldflags += -fsanitize-memtag-mode=sync
     my_sanitize_diag := $(filter-out memtag_heap,$(my_sanitize_diag))
   else
-    my_cflags += -fsanitize-memtag-mode=async
+    my_ldflags += -fsanitize-memtag-mode=async
   endif
 endif
 
@@ -277,11 +277,13 @@
 
 ifneq ($(filter memtag_heap,$(my_sanitize)),)
   my_cflags += -fsanitize=memtag-heap
+  my_ldflags += -fsanitize=memtag-heap
   my_sanitize := $(filter-out memtag_heap,$(my_sanitize))
 endif
 
 ifneq ($(filter memtag_stack,$(my_sanitize)),)
   my_cflags += -fsanitize=memtag-stack
+  my_ldflags += -fsanitize=memtag-stack
   my_cflags += -march=armv8a+memtag
   my_ldflags += -march=armv8a+memtag
   my_asflags += -march=armv8a+memtag
@@ -290,6 +292,7 @@
 
 ifneq ($(filter memtag_globals,$(my_sanitize)),)
   my_cflags += -fsanitize=memtag-globals
+  my_ldflags += -fsanitize=memtag-globals
   # TODO(mitchp): For now, enable memtag-heap with memtag-globals because the
   # linker isn't new enough
   # (https://reviews.llvm.org/differential/changeset/?ref=4243566).
diff --git a/target/product/default_art_config.mk b/target/product/default_art_config.mk
index 2fd7209..3e3918c 100644
--- a/target/product/default_art_config.mk
+++ b/target/product/default_art_config.mk
@@ -131,6 +131,10 @@
 
 endif
 
+ifeq ($(RELEASE_AVF_ENABLE_LLPVM_CHANGES),true)
+  PRODUCT_APEX_SYSTEM_SERVER_JARS += com.android.virt:service-virtualization
+endif
+
 # Use $(wildcard) to avoid referencing the profile in thin manifests that don't have the
 # art project.
 ifneq (,$(wildcard art))
diff --git a/tools/aconfig/aconfig/Android.bp b/tools/aconfig/aconfig/Android.bp
index 3152d35..164bfe7 100644
--- a/tools/aconfig/aconfig/Android.bp
+++ b/tools/aconfig/aconfig/Android.bp
@@ -40,18 +40,21 @@
 aconfig_declarations {
     name: "aconfig.test.flags",
     package: "com.android.aconfig.test",
+    container: "system",
     srcs: ["tests/test.aconfig"],
 }
 
 aconfig_declarations {
     name: "aconfig.test.exported.flags",
     package: "com.android.aconfig.test.exported",
+    container: "system",
     srcs: ["tests/test_exported.aconfig"],
 }
 
 aconfig_declarations {
     name: "aconfig.test.forcereadonly.flags",
     package: "com.android.aconfig.test.forcereadonly",
+    container: "system",
     srcs: ["tests/test_force_read_only.aconfig"],
 }
 
@@ -220,7 +223,7 @@
 rust_test {
     name: "aconfig.prod_mode.test.rust",
     srcs: [
-        "tests/aconfig_prod_mode_test.rs"
+        "tests/aconfig_prod_mode_test.rs",
     ],
     rustlibs: [
         "libaconfig_test_rust_library",
@@ -238,7 +241,7 @@
 rust_test {
     name: "aconfig.test_mode.test.rust",
     srcs: [
-        "tests/aconfig_test_mode_test.rs"
+        "tests/aconfig_test_mode_test.rs",
     ],
     rustlibs: [
         "libaconfig_test_rust_library_with_test_mode",
@@ -256,7 +259,7 @@
 rust_test {
     name: "aconfig.exported_mode.test.rust",
     srcs: [
-        "tests/aconfig_exported_mode_test.rs"
+        "tests/aconfig_exported_mode_test.rs",
     ],
     rustlibs: [
         "libaconfig_test_rust_library_with_exported_mode",
@@ -274,7 +277,7 @@
 rust_test {
     name: "aconfig.force_read_only_mode.test.rust",
     srcs: [
-        "tests/aconfig_force_read_only_mode_test.rs"
+        "tests/aconfig_force_read_only_mode_test.rs",
     ],
     rustlibs: [
         "libaconfig_test_rust_library_with_force_read_only_mode",
diff --git a/tools/aconfig/aconfig_protos/protos/aconfig.proto b/tools/aconfig/aconfig_protos/protos/aconfig.proto
index ed4b24c..8833722 100644
--- a/tools/aconfig/aconfig_protos/protos/aconfig.proto
+++ b/tools/aconfig/aconfig_protos/protos/aconfig.proto
@@ -20,6 +20,19 @@
 
 package android.aconfig;
 
+// This protobuf file defines messages used to represent and manage flags in the "aconfig" system
+// The following format requirements apply across various message fields:
+// # name: a lowercase string in snake_case format, no consecutive underscores, and no leading digit
+//    For example adjust_rate is a valid name, while AdjustRate, adjust__rate, and
+//    2adjust_rate are invalid
+//
+// # namespace: a lowercase string in snake_case format, no consecutive underscores, and no leading
+//    digit. For example android_bar_system
+//
+// # package: lowercase strings in snake_case format, delimited by dots, no consecutive underscores
+//    and no leading digit in each string. For example com.android.mypackage is a valid name
+//    while com.android.myPackage, com.android.1mypackage are invalid
+
 // messages used in both aconfig input and output
 
 enum flag_state {
@@ -35,12 +48,30 @@
 // aconfig input messages: flag declarations and values
 
 message flag_declaration {
+  // Name of the flag (required)
+  // See # name for format detail
   optional string name = 1;
+
+  // Namespace the flag belongs to (required)
+  // See # namespace for format detail
   optional string namespace = 2;
+
+  // Textual description of the flag's purpose (required)
   optional string description = 3;
+
+  // Single bug id related to the flag (required)
   repeated string bug = 4;
+
+  // Indicates if the flag is permanently read-only and cannot be changed
+  // via release configs (optional)
+  // Default value false
   optional bool is_fixed_read_only = 5;
+
+  // Indicates if the flag is exported and accessible beyond its originating container (optional)
+  // Default value false
   optional bool is_exported = 6;
+
+  // Additional information about the flag, including its purpose and form factors (optional)
   optional flag_metadata metadata = 7;
 };
 
@@ -59,14 +90,26 @@
 }
 
 message flag_declarations {
+  // Package to which the flag belongs (required)
+  // See # package for format detail
   optional string package = 1;
+
+  // List of flag_declaration objects (required)
   repeated flag_declaration flag = 2;
+
+  // Container the flag belongs to (optional)
   optional string container = 3;
 };
 
 message flag_value {
+  // Package to which the flag belongs (required)
+  // See # package for format detail
   optional string package = 1;
+
+  // Name of the flag (required)
+  // See # name for format detail
   optional string name = 2;
+
   optional flag_state state = 3;
   optional flag_permission permission = 4;
 };
@@ -85,17 +128,41 @@
 }
 
 message parsed_flag {
+  // Package to which the flag belongs (required)
+  // See # package for format detail
   optional string package = 1;
+
+  // Name of the flag (required)
+  // See # name for format detail
   optional string name = 2;
+
+  // Namespace the flag belongs to (required)
+  // See # namespace for format detail
   optional string namespace = 3;
+
+  // Textual description of the flag's purpose (required)
   optional string description = 4;
+
+  // Single bug id related to the flag (required)
   repeated string bug = 5;
+
   optional flag_state state = 6;
   optional flag_permission permission = 7;
   repeated tracepoint trace = 8;
+
+  // Indicates if the flag is permanently read-only and cannot be changed
+  // via release configs (optional)
+  // Default value false
   optional bool is_fixed_read_only = 9;
+
+  // Indicates if the flag is exported and accessible beyond its originating container (optional)
+  // Default value false
   optional bool is_exported = 10;
+
+  // Container the flag belongs to (optional)
   optional string container = 11;
+
+  // Additional information about the flag, including its purpose and form factors (optional)
   optional flag_metadata metadata = 12;
 }
 
diff --git a/tools/aconfig/aconfig_protos/src/lib.rs b/tools/aconfig/aconfig_protos/src/lib.rs
index 8f5667f..81bbd7e 100644
--- a/tools/aconfig/aconfig_protos/src/lib.rs
+++ b/tools/aconfig/aconfig_protos/src/lib.rs
@@ -69,6 +69,9 @@
 use anyhow::Result;
 use paste::paste;
 
+/// Path to proto file
+const ACONFIG_PROTO_PATH: &str = "//build/make/tools/aconfig/aconfig_protos/protos/aconfig.proto";
+
 /// Check if the name identifier is valid
 pub fn is_valid_name_ident(s: &str) -> bool {
     // Identifiers must match [a-z][a-z0-9_]*, except consecutive underscores are not allowed
@@ -124,8 +127,18 @@
     pub fn verify_fields(pdf: &ProtoFlagDeclaration) -> Result<()> {
         ensure_required_fields!("flag declaration", pdf, "name", "namespace", "description");
 
-        ensure!(is_valid_name_ident(pdf.name()), "bad flag declaration: bad name");
-        ensure!(is_valid_name_ident(pdf.namespace()), "bad flag declaration: bad name");
+        ensure!(
+            is_valid_name_ident(pdf.name()),
+            "bad flag declaration: bad name {} expected snake_case string; \
+        see {ACONFIG_PROTO_PATH} for details",
+            pdf.name()
+        );
+        ensure!(
+            is_valid_name_ident(pdf.namespace()),
+            "bad flag declaration: bad namespace {} expected snake_case string; \
+        see {ACONFIG_PROTO_PATH} for details",
+            pdf.namespace()
+        );
         ensure!(!pdf.description().is_empty(), "bad flag declaration: empty description");
         ensure!(pdf.bug.len() == 1, "bad flag declaration: exactly one bug required");
 
@@ -149,8 +162,12 @@
     pub fn verify_fields(pdf: &ProtoFlagDeclarations) -> Result<()> {
         ensure_required_fields!("flag declarations", pdf, "package");
         // TODO(b/312769710): Make the container field required.
-
-        ensure!(is_valid_package_ident(pdf.package()), "bad flag declarations: bad package");
+        ensure!(
+            is_valid_package_ident(pdf.package()),
+            "bad flag declarations: bad package {} expected snake_case strings delimited by dots; \
+        see {ACONFIG_PROTO_PATH} for details",
+            pdf.package()
+        );
         ensure!(
             !pdf.has_container() || is_valid_container_ident(pdf.container()),
             "bad flag declarations: bad container"
@@ -172,8 +189,18 @@
     pub fn verify_fields(fv: &ProtoFlagValue) -> Result<()> {
         ensure_required_fields!("flag value", fv, "package", "name", "state", "permission");
 
-        ensure!(is_valid_package_ident(fv.package()), "bad flag value: bad package");
-        ensure!(is_valid_name_ident(fv.name()), "bad flag value: bad name");
+        ensure!(
+            is_valid_package_ident(fv.package()),
+            "bad flag value: bad package {} expected snake_case strings delimited by dots; \
+        see {ACONFIG_PROTO_PATH} for details",
+            fv.package()
+        );
+        ensure!(
+            is_valid_name_ident(fv.name()),
+            "bad flag value: bad name {} expected snake_case string; \
+        see {ACONFIG_PROTO_PATH} for details",
+            fv.name()
+        );
 
         Ok(())
     }
@@ -255,13 +282,28 @@
             "permission"
         );
 
-        ensure!(is_valid_package_ident(pf.package()), "bad parsed flag: bad package");
+        ensure!(
+            is_valid_package_ident(pf.package()),
+            "bad parsed flag: bad package {} expected snake_case strings delimited by dots; \
+        see {ACONFIG_PROTO_PATH} for details",
+            pf.package()
+        );
         ensure!(
             !pf.has_container() || is_valid_container_ident(pf.container()),
             "bad parsed flag: bad container"
         );
-        ensure!(is_valid_name_ident(pf.name()), "bad parsed flag: bad name");
-        ensure!(is_valid_name_ident(pf.namespace()), "bad parsed flag: bad namespace");
+        ensure!(
+            is_valid_name_ident(pf.name()),
+            "bad parsed flag: bad name {} expected snake_case string; \
+        see {ACONFIG_PROTO_PATH} for details",
+            pf.name()
+        );
+        ensure!(
+            is_valid_name_ident(pf.namespace()),
+            "bad parsed flag: bad namespace {} expected snake_case string; \
+        see {ACONFIG_PROTO_PATH} for details",
+            pf.namespace()
+        );
         ensure!(!pf.description().is_empty(), "bad parsed flag: empty description");
         ensure!(!pf.trace.is_empty(), "bad parsed flag: empty trace");
         for tp in pf.trace.iter() {