Fix spelling errors in BluetoothGatt documentation

Correct "paramter" to "parameter". Correct "connectoin" to connection.

Bug: 79198797
Test: Compile
Change-Id: I98646eec66da2aaa6f74ae2db35ea914c6a105a1
(cherry picked from commit 505c05839b8b28c5c465c2a537cf3da8a2004e63)
1 file changed