API Council Feedbacks

1) Update doc of ACTION_UPDATE_EMERGENCY_NUMBER_DB
2) Add new APIs EXTRA_VERSION and EXTRA_REQUIRED_HASH
3) Rename isDataConnectionEnabled to IsDataConnectionAllowed
4) Format the API documentations with html format
5) Throw errors for shutdownAllRadios, isAnyRadioPoweredOn
6) Modify the doc of TelephonyManager.getEmergencyNumberDbVersion
7) Add UPDATE_CONFIG permission for ACTION_UPDATE_EMERGENCY_NUMBER_DB

Test: Treehugger; Manual made a call; make -j offline-sdk-docs
Bug: 147696692
Bug: 147805285
Bug: 148217670
Bug: 148218347
Change-Id: Idf3dee3de5ebf75ca8b8fbaaf879e69f7ae4b754