Fix after API_review

* isMandatoryCodec is now public
* SCAN_FAILED_OUT_OF_HARDWARE/SCANNING_TOO_FREQUENTLY is now public with a
IntDef (method using the value are changed accordingly)
* Update doc for EXTRA_BATTERY_LEVEL and EXTRA_PAIRING_INITIATOR and
ACTION_CONNECTION_STATE_CHANGED
* Add Autoclosable to BluetoothSap to remove the NotCloseable
* BluetoothClass.Device.PERI* are now public

Bug: 222725037
Fix: 221851154
Test: Build + TH
Tag: #refactor
CTS-Coverage-Bug: 222539659
Merged-In: Ia6aa778d6bdc0319266c52a84633ee593eaa7eb0
Change-Id: Ia6aa778d6bdc0319266c52a84633ee593eaa7eb0