Add @UnsupportedAppUsage annotations

For packages:
  android.bluetooth.le
  android.bluetooth

This is an automatically generated CL. See go/UnsupportedAppUsage
for more details.

Exempted-From-Owner-Approval: Mechanical changes to the codebase
which have been approved by Android API council and announced on
android-eng@

Bug: 110868826
Test: m
Change-Id: Ifcf24c0617acd7facc0e03f30a95c3a6b09b205c
Merged-In: I88a1311e27c5f9a5f9d1035db76034f86f650efc