tree e914ee0b46f4a57896399c29c1db503a4926d5a4
parent 4018f3df14237adb30c423fee361318cc32673de
author Sunny Goyal <sunnygoyal@google.com> 1512422241 -0800
committer Sunny Goyal <sunnygoyal@google.com> 1512422381 -0800

Stop settings properties to null in onDestroy()

Some callbacks can come after onDestory, depending on the order in which
they were added. Setting properties to null can cause excptions in such cases.

Bug: 69812172
Change-Id: Ia812e6a074ad65591a6b5c963677a9182c45c153