Add stack/include/l2cdefs::l2cap_le_result_code_text am: be30d310 am:...

Add stack/include/l2cdefs::l2cap_le_result_code_text am: be30d310 am: 3dd4be22 am: a6314ed0 am: 5d094680

Original change: https://android-review.googlesource.com/c/platform/system/bt/+/1496549

Change-Id: I9d4ffe48082f90d9b0b7f4dbf2a2301d033c7e1c