[automerger skipped] l2cap: Fix release p_ccb when not accepting channel am: 1d141254 -s ours

am skip reason: Merged-In If94dc57679c60509f21263694ed16a1fd5e7c55d with SHA-1 0cf6b80b is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/19482650



Change-Id: I1d4f9ee140d1d4a74545992b8e688d506e9c6a76
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>