Added the DefaultAccount.getEligibleCloudAccounts API

Bug: 352313110,364637693,359957924
Fix: 359957924
Test: added new test
Flag: android.provider.new_default_account_api_enabled
API-Coverage-Bug: 369343261

	modified:   core/api/system-current.txt
	modified:   core/java/android/provider/ContactsContract.java

Change-Id: I00961ea46bdf716309554dcb7be3294670a27dcd
2 files changed