API Review: support* methods should be supports*

To compliance with API review guideline, change support* methods name to
supports* with s at the end.

Bug: 261021330
Test: atest CtsBluetoothTestCases:android.bluetooth.cts.BluetoothHapClientTest
Tag: #feature
Change-Id: I2a71926a8ef6e6af3e5c02ae43fed9c0854f9928