Revert "av: Fix build in ISO C++11 mode"

This reverts commit 786d1a8baa841c5c77abb392a42c5b0821b6a4fe.
Revert "av: More ISO C++ 11 fixes"

This reverts commit 1869316979116af9e7e0b29b5fb7fc0d12007197.
Revert "frameworks/av: Fix build in ISO C++ 11 mode"

This reverts commit ffbf1ee0ce0c4a74019386255008edb1232264ae.