Bluetooth: Fix incorrect map access

Found by Errorprone.

(cherry picked from commit 8e7eeed907b0d147565f7460a2497209a7a423e4)

Bug: 73288226
Test: m javac-check-Bluetooth RUN_ERROR_PRONE=true
Merged-In: Icd0015746c4c0fc5e318dcf18afdaefbfe886ec4
Change-Id: Icd0015746c4c0fc5e318dcf18afdaefbfe886ec4
1 file changed