Fix android ci

Overwrite deprecated env to avoid use unexpected android sdk

Author: halx99

tools/unix-ci/setup_android.py

@@ -117,12 +117,14 @@ def export_environment(ndk_only):
         if not ndk_only:
             myfile.write("export ANDROID_SDK=" + ANDROID_SDK + "\n")
             myfile.write("export ANDROID_HOME=" + ANDROID_SDK + "\n")
+            myfile.write("export ANDROID_SDK_ROOT=" + ANDROID_SDK + "\n")
         myfile.write("export ANDROID_NDK=" + ANDROID_NDK + "\n")
 
     with open(os.path.join(ROOT_DIR, "environment.ps1"), "a") as myfile:
         if not ndk_only:
             myfile.write("$env:ANDROID_SDK=\"" + ANDROID_SDK + "\"\n")
             myfile.write("$env:ANDROID_HOME=\"" + ANDROID_SDK + "\"\n")
+            myfile.write("$env:ANDROID_SDK_ROOT=\"" + ANDROID_SDK + "\"\n")
         myfile.write("$env:ANDROID_NDK=\"" + ANDROID_NDK + "\"\n")
 
 def main(ndk_only):