AAC Decoder: Use osi_free() to free buffers allocated by osi_malloc()
* buffers allocated by osi_malloc() have canary bytes around it and need special method
osi_free() to free them
Bug: 148107188
Test: manual
Change-Id: Ifcfe494737c47e33755297214d3f637852a8be0b
(cherry picked from commit 3869ccfc)
(cherry picked from commit 964cafb8)