fix: 安卓64位构建

Author: Tecode

macos/Flutter/ephemeral/flutter_export_environment.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+# This is a generated file; do not edit or check into version control.
+export "FLUTTER_ROOT=/Users/aming/Applications/flutter"
+export "FLUTTER_APPLICATION_PATH=/Users/aming/testFile/flutter_book"
+export "FLUTTER_BUILD_DIR=build"
+export "FLUTTER_FRAMEWORK_DIR=/Users/aming/Applications/flutter/bin/cache/artifacts/engine/darwin-x64"
+export "FLUTTER_BUILD_NAME=1.0.3"
+export "FLUTTER_BUILD_NUMBER=1.0.3"