Create x-android-4_2_2-a17-definitions.xsd

Hi, 
We are from Samsung Research India Bangalore(SRI-B).
We have taken x-android-definitions.XSD as base, and added some new tests for Androidv4.2.2

In attached content, our tests start from line:1136(<!--Start of New Tests from SRI-B -->). Please check the new tests, if these tests are accepted the corresponding tests shall be updated in x-android-definitions.xsd of the main branch.

the new tests added are as follows:
        Active admin test
	Application permission test
	Connectivity test
	Keyguard  test
	Locale test
	Session initiation protocol(SIP) test
	Telephony test

Please review and do the needful.