Mark JNI method frames as "native"

Use the "native" attribute of stack frames to indicate JNI
invocation frames, like SentryStackTraceFactory does.

Author: Lauri Alanko

sentry-android-core/src/main/java/io/sentry/android/core/internal/threaddump/ThreadDumpParser.java

@@ -239,6 +239,7 @@ private SentryStackTrace parseStacktrace(
         frame.setModule(module);
         frame.setFunction(jniRe.group(3));
         frame.setInApp(stackTraceFactory.isInApp(module));
+        frame.setNative(true);
         frames.add(frame);
         lastJavaFrame = frame;
       } else if (matches(lockedRe, text)) {

sentry-android-core/src/test/java/io/sentry/android/core/internal/threaddump/ThreadDumpParserTest.kt

@@ -73,6 +73,23 @@ class ThreadDumpParserTest {
         assertEquals("HandlerThread.java", firstFrame.filename)
         assertEquals(67, firstFrame.lineno)
         assertEquals(null, firstFrame.isInApp)
+        assertNull(firstFrame.isNative)
+        assertNull(firstFrame.platform)
+
+        val jniFrame = randomThread.stacktrace!!.frames!!.get(4)
+        assertEquals("android.os.MessageQueue", jniFrame.module)
+        assertEquals("nativePollOnce", jniFrame.function)
+        assertNull(jniFrame.lineno)
+        assertEquals(true, jniFrame.isNative)
+        assertNull(firstFrame.platform)
+
+        val nativeFrame = randomThread.stacktrace!!.frames!!.get(5)
+        assertEquals("/system/lib64/libandroid_runtime.so", nativeFrame.`package`)
+        assertEquals("android::android_os_MessageQueue_nativePollOnce(_JNIEnv*, _jobject*, long, int)",
+                     nativeFrame.function)
+        assertEquals(44, nativeFrame.lineno)
+        assertNull(nativeFrame.isNative) // Confusing, but "isNative" means JVM frame for a JNI method
+        assertEquals("native", nativeFrame.platform)
     }
 
     @Test