The gist will help you to remove all build folder from your android project and modules

CleanBuildFolderAndroidApp

import os
import shutil
import sys

if len(sys.argv)>1:
    rootdir = sys.argv[1]
else:
    # rootdir = os.path.dirname(os.path.realpath(__file__))
    #rootdir = 'D:\\example\\projects\\project name'
    rootdir = 'D:\\AndroidStuioWS\\Good-work\\good-work-android'
    
print(rootdir)

# directory to be removed
rmDirs = ["build", ".gradle", ".settings", ".cxx", ".idea", ".externalNativeBuild"]
rmFiles = ('.iml')

for root, subdirs, files in os.walk(rootdir):
    for dir in subdirs:
        if dir in rmDirs:
            try:
                shutil.rmtree(os.path.join(root, dir))
                print("Delete Directory: " + os.path.join(root, dir))
            except FileNotFoundError as err:
                print(err)
                print("Delete Failed: " + os.path.join(root, dir))
                
    for file in files:
        if file.endswith(rmFiles):
            try:
                os.remove(os.path.join(root, file))
                print("Delete File: " + os.path.join(root, file))
            except FileNotFoundError as err:
                print(err)
                print("Delete Failed: " + os.path.join(root, file))