Fix some OOB errors in BTM parsing

Some HCI BLE events are missing bounds checks, leading to possible OOB
access.  Add the appropriate bounds checks on the packets.

Bug: 279169188
Test: atest bluetooth_test_gd_unit, net_test_stack_btm
Tag: #security
Ignore-AOSP-First: Security
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:66e2be0585514de92e8a31df09ab31528fd67e20)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:5d1a3febede9f835797cf5feff978a9f007f2593)
Merged-In: If7752f6edd749d6d5a4bb957b4824c22b5602737
Change-Id: If7752f6edd749d6d5a4bb957b4824c22b5602737