Merge branch 'bugfix/ble_reconn_rescan_readv_crash_v3.1' into 'release/v3.1'

component/bt : fix bug that there's low ratio crash when BLE do re-connect/re-scan/re-adv

See merge request idf/esp-idf!4327
This commit is contained in:
Jiang Jiang Jian
2019-03-01 18:05:54 +08:00