Fixed metadata label in AIDL radio HAL Metadata

Bug: 287517076
Test: atest VtsHalBroadcastradioAidlTargetTest
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:285598dde00128cfc5fa5a9f7b7847d31daf3620)
Merged-In: I612ca079bda6f47446ec75ca7b4fece7317bd56d
Change-Id: I612ca079bda6f47446ec75ca7b4fece7317bd56d
1 file changed