Android WebAssembly.Memory()

**Describe the bug**
using chrome 88 for android we get an memory issue

**To Reproduce**
Steps to reproduce the behavior:
1. enable cross origin isolated in flags
2. Navigate to https://ffmpegwasm.et.r.appspot.com/
3. run script using 3s clip

**Smartphone (please complete the following information):**
- Device: Samsung S9
- OS: Android 10
- Browser Chrome beta
- Version 88

**Additional context**
as of chrome 88 Shared Array Buffers are to be enabled as default (See https://www.chromestatus.com/feature/5171863141482496 https://www.chromestatus.com/feature/4570991992766464)

[Error]
```
a842de40-97a2-4a2b-927e-0cac9b769fc3:22 Uncaught (in promise) RangeError: WebAssembly.Memory(): could not allocate memory
at a842de40-97a2-4a2b-927e-0cac9b769fc3:22
at createFFmpeg.js:64
at u (runtime.js:63)
at Generator._invoke (runtime.js:293)
at Generator.next (runtime.js:118)
at n (asyncToGenerator.js:3)
at o (asyncToGenerator.js:25)
```