Add a test app for service_only's bootstrap

This is almost a clone from one of @inclement's test apps, with the addition of a function which prints the current date/time.

Author: inclement

testapps/setup_testapp_service.py

@@ -0,0 +1,32 @@
+
+from distutils.core import setup
+from setuptools import find_packages
+
+options = {'apk': {'debug': None,
+                   'requirements': 'python2,genericndkbuild',
+                   'android-api': 27,
+                   'ndk-api': 21,
+                   'ndk-dir': '/home/asandy/android/crystax-ndk-10.3.2',
+                   'dist-name': 'testapp_service',
+                   'ndk-version': '10.3.2',
+                   'bootstrap': 'service_only',
+                   'permissions': ['INTERNET', 'VIBRATE'],
+                   'arch': 'armeabi-v7a',
+                   'window': None,
+                   }}
+
+package_data = {'': ['*.py']}
+
+packages = find_packages()
+print('packages are', packages)
+
+setup(
+    name='testapp_service',
+    version='1.0',
+    description='p4a service testapp',
+    author='Alexander Taylor',
+    author_email='[email protected]',
+    packages=find_packages(),
+    options=options,
+    package_data={'testapp_service': ['*.py']}
+)

testapps/testapp_service/main.py

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+print('main.py was successfully called')
+
+import sys
+print('python version is: ', sys.version)
+print('python sys.path is: ', sys.path)
+
+from math import sqrt
+print('import math worked')
+
+for i in range(45, 50):
+    print(i, sqrt(i))
+
+print('Just printing stuff apparently worked, trying a simple service')
+import datetime, threading, time
+
+next_call = time.time()
+
+
+def service_timer():
+    global next_call
+    print('P4a datetime service: {}'.format(datetime.datetime.now()))
+    next_call = next_call + 1
+    threading.Timer(next_call - time.time(), service_timer).start()
+
+
+print('Starting the service timer...')
+service_timer()