chore(Android): Migrate Hermes Instruments to Kotlin

packages/react-native/ReactAndroid/src/main/java/com/facebook/hermes/instrumentation/HermesMemoryDumper.java → packages/react-native/ReactAndroid/src/main/java/com/facebook/hermes/instrumentation/HermesMemoryDumper.kt

@@ -4,15 +4,14 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  */
-
-package com.facebook.hermes.instrumentation;
+package com.facebook.hermes.instrumentation
 
 public interface HermesMemoryDumper {
-  boolean shouldSaveSnapshot();
+    public fun shouldSaveSnapshot(): Boolean
 
-  String getInternalStorage();
+    public fun getInternalStorage(): String
 
-  String getId();
+    public fun getId(): String
 
-  void setMetaData(String crashId);
+    public fun setMetaData(crashId: String)
 }

packages/react-native/ReactAndroid/src/main/java/com/facebook/hermes/instrumentation/HermesSamplingProfiler.kt

@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+package com.facebook.hermes.instrumentation
+
+import com.facebook.soloader.SoLoader
+
+/** Hermes sampling profiler static JSI API.  */
+public object HermesSamplingProfiler {
+    init {
+        SoLoader.loadLibrary("jsijniprofiler")
+    }
+
+    /** Start sample profiling.  */
+    @JvmStatic
+    public external fun enable()
+
+    /** Stop sample profiling.  */
+    @JvmStatic
+    public external fun disable()
+
+    /**
+     * Dump sampled stack traces to file.
+     *
+     * @param filename the file to dump sampling trace to.
+     */
+    @JvmStatic
+    public external fun dumpSampledTraceToFile(filename: String)
+}

packages/react-native/ReactAndroid/src/main/java/com/facebook/hermes/reactexecutor/HermesExecutorFactory.java

@@ -7,6 +7,7 @@
 
 package com.facebook.hermes.reactexecutor;
 
+import androidx.annotation.NonNull;
 import com.facebook.hermes.instrumentation.HermesSamplingProfiler;
 import com.facebook.react.bridge.JavaScriptExecutor;
 import com.facebook.react.bridge.JavaScriptExecutorFactory;
@@ -34,6 +35,7 @@ public void setDebuggerName(String debuggerName) {
     mDebuggerName = debuggerName;
   }
 
+  @NonNull
   @Override
   public JavaScriptExecutor create() {
     return new HermesExecutor(mConfig, mEnableDebugger, mDebuggerName);
@@ -45,11 +47,12 @@ public void startSamplingProfiler() {
   }
 
   @Override
-  public void stopSamplingProfiler(String filename) {
+  public void stopSamplingProfiler(@NonNull String filename) {
     HermesSamplingProfiler.dumpSampledTraceToFile(filename);
     HermesSamplingProfiler.disable();
   }
 
+  @NonNull
   @Override
   public String toString() {
     return "JSIExecutor+HermesRuntime";