Add missing extension length check while parsing BNEP control packets

Bug: 63146237
Test: External script
Change-Id: I4e519cec1c7dffb8bd42add00bd891e0969a3d9f
(cherry picked from commit 9ab89b7dbe5735b796799f65144efa48595d0230)
(cherry picked from commit 0754be1b)
(cherry picked from commit c7874f25a0557ca4413d8db80bab8da842fc389a)
(cherry picked from commit 187bd8aec0aae63c6328981041e5ec7764ece6a9)
(cherry picked from commit 01f46e0aff705dab350cda7f648fb94976ea3988)