Add validation on service attrs in bta_sdp_act.cc

Bug: 263958603
Test: atest net_test_bta
Ignore-AOSP-First: security
Tag: #security

Merged-In: I59b208d403d6f16a8515b351f4c296f9affdf37b
Change-Id: I59b208d403d6f16a8515b351f4c296f9affdf37b
(cherry picked from commit 66ce4a04)