MassTransfer 2.2.20

1. Update to SDK30(Android 11)
2. Add pt-BR translation

MassTransfer 2.2.19

1. Fix file list duplicated after switching away and back.

Mass Transfer 2.2.18

1. Build with Android 10 SDK
2. Auto dismiss the "Transfer Success" notification after 10s

Mass Transfer 2.2.17

Fix a buffer wasting issue.

Mass Transfer 2.2.16

1. Mute finished notifications.
2. Show raw buffer info.
3. Reduce power consumption.

Mass Transfer 2.2.15

1. Don't trigger screen doze repeatly when updating transfer progress.
2. Show a notification instead of toast when finished.

Mass Transfer 2.2.13

version bump to 2.2.13(10)

Mass Transfer 2.2.12

version bump to 2.2.12(9)

Mass Transfer 2.2.11

version bump to 2.2.11(8)

Mass Transfer 2.2.10

Try reduce power consumption.