libcore: fix error in javdoc todo file generation

javadoc is faling to generate todo file due to
relative path and this is causing sdk build to
have spurious error. changing the path to absolute
to ensure file created and error fixed

Change-Id: I7c89942262434d9639b03f72fe886780f44bfba7
Audio: AWR-WB format playback support in email and download

- amr-wb format are not it the supported mime type
- Add amr-wb in the supported audio mime type

Change-Id: Iad721f86a9bc1eccf8c94204b7a4d47961dd1efa
CRs-Fixed: 637271