Establish native Linux ARM64 Android CI and verification gates (#94)

android/rust-bridge/build.gradle.kts

@@ -12,7 +12,7 @@ android {
     defaultConfig {
         minSdk = libs.versions.minSdk.get().toInt()
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
-        ndk { abiFilters += listOf("arm64-v8a", "armeabi-v7a", "x86_64") }
+        ndk { abiFilters += listOf("arm64-v8a", "armeabi-v7a") }
     }
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_17
@@ -22,12 +22,17 @@ android {
     lint {
         abortOnError = true
         warningsAsErrors = true
+        // The user scoped this milestone to ARM Android; x86 ChromeOS is excluded.
+        disable += "ChromeOsAbiSupport"
     }
 }
 
 kotlin {
     jvmToolchain(25)
-    compilerOptions { jvmTarget.set(JvmTarget.JVM_17) }
+    compilerOptions {
+        jvmTarget.set(JvmTarget.JVM_17)
+        allWarningsAsErrors.set(true)
+    }
 }
 
 dependencies {
@@ -73,6 +78,12 @@ androidComponents.onVariants { variant ->
     val nativeOutput = layout.buildDirectory.dir("generated/native/$name/jniLibs")
     val rawBindings = layout.buildDirectory.dir("generated/bindings-raw/$name")
     val bindings = layout.buildDirectory.dir("generated/bindings/$name")
+    val rustFlags = listOf(
+        "-D warnings",
+        "-C link-arg=-Wl,-z,max-page-size=16384",
+        "-C link-arg=-Wl,-z,common-page-size=16384",
+        "-C link-arg=-Wl,--build-id=sha1"
+    ).joinToString(" ")
     val native = tasks.register<Exec>("build${title}Rust") {
         dependsOn(checkRustToolchain)
         workingDir = workspace
@@ -81,22 +92,33 @@ androidComponents.onVariants { variant ->
         inputs.property("cargoNdk", libs.versions.cargoNdk.get())
         inputs.property("ndkVersion", libs.versions.ndk.get())
         inputs.property("minSdk", libs.versions.minSdk.get())
+        inputs.property("rustFlags", rustFlags)
+        inputs.property("abis", listOf("arm64-v8a", "armeabi-v7a"))
+        inputs.property("releaseDebug", "2")
+        inputs.property(
+            "devDebug",
+            providers.environmentVariable("CARGO_PROFILE_DEV_DEBUG").orElse("cargo-default")
+        )
+        inputs.property(
+            "incremental",
+            providers.environmentVariable("CARGO_INCREMENTAL").orElse("cargo-default")
+        )
+        inputs.property(
+            "cargoTargetDirectory",
+            providers.environmentVariable("CARGO_TARGET_DIR").orElse("workspace-default")
+        )
         outputs.dir(rawNative)
         environment("RUSTUP_TOOLCHAIN", rustVersion)
         environment("RUSTC", rustcExecutable.get())
         environment("ANDROID_NDK_HOME", ndkDirectory.get().asFile.absolutePath)
         environment("ANDROID_HOME", sdkDirectory.get().asFile.absolutePath)
-        environment(
-            "RUSTFLAGS",
-            "-D warnings -C link-arg=-Wl,-z,max-page-size=16384 -C link-arg=-Wl,-z,common-page-size=16384"
-        )
+        environment("RUSTFLAGS", rustFlags)
         environment("CARGO_PROFILE_RELEASE_DEBUG", "2")
         commandLine(
             listOf(
                 cargoExecutable.get(), "+$rustVersion", "ndk",
                 "--target", "arm64-v8a",
                 "--target", "armeabi-v7a",
-                "--target", "x86_64",
                 "--platform", libs.versions.minSdk.get(),
                 "--output-dir", rawNative.get().asFile.absolutePath,
                 "build", "--locked", "--package", "ironstorage-android", "--lib"