Use explicit state bta_dm_gattc_callback::BTA_GATTC_SEARCH_CMPL_EVT am: d8a217dc

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2529440



Change-Id: I4c51233be0e58a0557e0352e8a64382e072185e7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>