Merge "loader: fix leak of child-to-parent links on dlclose() am: 46c3aa2c ...

Merge "loader: fix leak of child-to-parent links on dlclose() am: 46c3aa2c  -s ours am: 02b94ea8 am: 623d8375 am: 254aec13 am: c65740f4 am: 59abd613 am: 2514cb78 am: f3537c61 am: be8327ce am: 6be47949 am: 4852206c am: 24642c28 am: d21e68a9" into oc-dev-plus-aosp
am: 23972bf8

Change-Id: Iba2b0dddcfa0ffe84956ca92799f72465c4175e4