Can enable vo-amrwbenc library?

[suncj518]

Description
can not support amr_wb encode.

Expected behavior
can enable vo-amrwbenc library.
https://sourceforge.net/projects/opencore-amr/files/vo-amrwbenc/vo-amrwbenc-0.1.3.tar.gz/download

Current behavior
can not encode audio with amr-wb

Screenshots

Logs

Environment

• Platform: [Android]
• Architecture: [arm-v7a, arm-v7a-neon, arm64-v8a, x86, x86_64, armv7, armv7s, arm64, i386, x86_64]
• Version[4.3.1]
• Source branch [development]
• Android Studio version (if applicable) [3.5.2]
• Android NDK version (if applicable) [20]

Other

[tanersener]

In terms of license, it looks ok. But someone has to work on build scripts.

[tanersener]

Fixed in the development branch.

[zhangruiyu]

So when is the next release, we really need to support AMR_WB right now

[tanersener]

The next month.

Btw, you can always build the development branch yourself.

[zhangruiyu]

Hi, when will the update be released this month.0-0

[tanersener]

Before the end of the month.

[tanersener]

Released in v4.4.

[zhangruiyu]

Mobile-ffmpeg-audio is 4.4, but Libamr_WB still doesn't work

[tanersener]

@zhangruiyu see #507