Reset GATT cache file if connection state is unpairing

Reset GATT cache for the device if connection state is unpairing, avoid
remaining useless gatt cache file.

Bug: 137697556
Test: Pair/Forget device, and check whether the gatt cache is exist.
Change-Id: I617289b7802a4f03e2910defc419a0bbb0a2aa06

parent a0a6b44f

system/bta/dm/bta_dm_act.cc

+3 −0

Original line number	Diff line number	Diff line
		@@ -2767,6 +2767,9 @@ static void bta_dm_acl_change(bool is_new, const RawAddress& bd_addr,
		bta_dm_cb.device_list.peer_device[i].peer_bdaddr))
		issue_unpair_cb = true;

		/* remove all cached GATT information */
		BTA_GATTC_Refresh(bd_addr);

		APPL_TRACE_DEBUG("%s: Unpairing: issue unpair CB = %d ", __func__,
		issue_unpair_cb);
		}