Use explicit state bta_dm_gattc_callback::BTA_GATTC_CLOSE_EVT am: a4fd77a2 am: be2a8f87

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2529441



Change-Id: I7b666888520d830c34dc6c2a927c77d5536429bd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>