fix(examples): raise proper SIGSEV instead of undefined behavior (#4930)

Author: markushi

sentry-samples/sentry-samples-android/src/main/cpp/native-sample.cpp

@@ -1,15 +1,15 @@
 #include <jni.h>
 #include <android/log.h>
 #include <sentry.h>
+#include <signal.h>
 
 #define TAG "sentry-sample"
 
 extern "C" {
 
 JNIEXPORT void JNICALL Java_io_sentry_samples_android_NativeSample_crash(JNIEnv *env, jclass cls) {
     __android_log_print(ANDROID_LOG_WARN, TAG, "About to crash.");
-    char *ptr = 0;
-    *ptr += 1;
+    raise(SIGSEGV);
 }
 
 JNIEXPORT void JNICALL Java_io_sentry_samples_android_NativeSample_message(JNIEnv *env, jclass cls) {