Add flag for broadcast radio

Bug: 280300929
Test: m -j
Change-Id: Ibc0966eb7207c4d6e83f76418713c3995fd95904

AconfigFlags.bp

@@ -15,6 +15,7 @@
 aconfig_srcjars = [
     ":android.app.usage.flags-aconfig-java{.generated_srcjars}",
     ":android.content.pm.flags-aconfig-java{.generated_srcjars}",
+    ":android.hardware.radio.flags-aconfig-java{.generated_srcjars}",
     ":android.nfc.flags-aconfig-java{.generated_srcjars}",
     ":android.os.flags-aconfig-java{.generated_srcjars}",
     ":android.os.vibrator.flags-aconfig-java{.generated_srcjars}",
@@ -341,3 +342,16 @@ java_aconfig_library {
     aconfig_declarations: "android.app.flags-aconfig",
     defaults: ["framework-minus-apex-aconfig-java-defaults"],
 }
+
+// Broadcast Radio
+aconfig_declarations {
+    name: "android.hardware.radio.flags-aconfig",
+    package: "android.hardware.radio",
+    srcs: ["core/java/android/hardware/radio/*.aconfig"],
+}
+
+java_aconfig_library {
+    name: "android.hardware.radio.flags-aconfig-java",
+    aconfig_declarations: "android.hardware.radio.flags-aconfig",
+    defaults: ["framework-minus-apex-aconfig-java-defaults"],
+}

core/java/android/hardware/radio/flags.aconfig

+package: "android.hardware.radio"
+
+flag {
+    name: "hd_radio_improved"
+    namespace: "car_framework"
+    description: "Feature flag for improved HD radio support with less vendor extensions"
+    bug: "280300929"
+}