Merge pull request #36 from DIdiHL/hanlin

Hanlin
add accelerometer in MockApp
Merge pull request #37 from DIdiHL/chenxi

add accelerometer in MockApp
add test content provider in MockSana
Merge pull request #38 from DIdiHL/chenxi

add test content provider in MockSana
Change event unit test data size.
Merge branch 'development' of https://github.com/DIdiHL/plugin_android_library into hanlin