Fix sample script for Unicornafl2 (#1329)

* Fix the sample script for Unicornafl2

* Make it compatible with unicornafl1

* Sync to the latest unicornafl

* Update UNICORNAFL_VERSION

* Sync to latest unicornafl to resolve linkage problem

* Switch to ucafl2

unicorn_mode/UNICORNAFL_VERSION

@@ -1 +1 @@
-46879845
+a44fa94488d01aba60401ccf81f8bebcce685bf2

unicorn_mode/samples/compcov_x64/compcov_test_harness.py

@@ -19,7 +19,7 @@ import os
 import signal
 
 from unicornafl import *
-from unicornafl.x86_const import *
+from unicorn.x86_const import *
 
 # Path to the file containing the binary to emulate
 BINARY_FILE = os.path.join(
@@ -160,7 +160,7 @@ def main():
     # Emulate the code, allowing it to process the mutated input
 
     print("Starting the AFL fuzz")
-    uc.afl_fuzz(
+    uc_afl_fuzz(uc,
         input_file=args.input_file,
         place_input_callback=place_input_callback,
         exits=[end_address],

unicorn_mode/samples/speedtest/python/harness.py

@@ -20,8 +20,8 @@ import os
 import struct
 
 from unicornafl import *
-from unicornafl.unicorn_const import UC_ARCH_X86, UC_HOOK_CODE, UC_MODE_64
-from unicornafl.x86_const import (
+from unicorn.unicorn_const import UC_ARCH_X86, UC_HOOK_CODE, UC_MODE_64
+from unicorn.x86_const import (
     UC_X86_REG_RAX,
     UC_X86_REG_RDI,
     UC_X86_REG_RIP,