Merge branch 'bugfix/fix_double_recycle_bar_crash_issue_v3.1' into 'release/v3.1'

esp32: fix the crash caused by double free BAR buffer (backport v3.1)

See merge request espressif/esp-idf!7570
This commit is contained in:
Jiang Jiang Jian
2020-02-13 12:03:13 +08:00