Fix bad type for txPower in PeriodicAdvertisingReport serialization Bug: 69634768 Test: compilation Change-Id: Icedfbaf1ba933637e935ada0fd98aea42c73f2b2 Merged-In: Icedfbaf1ba933637e935ada0fd98aea42c73f2b2 (cherry picked from commit 5332988c62e2f2ededb29ac3bfc4774551fe956f)