Description

This cherry-picks into stable v1.12.13:

• Android log reader reads any recent logs #45743 (cc @blasten)
• [flutter_tools] Do not use the logcat -T flag on Android versions before Lollipop #49327 (cc @jason-simmons)

To fix flutter apps not running on pre-4.4 (Lollipop) Android.

Related Issues

Fixes #45732
Fixes #47609
Fixes #47112

Tests

I added the following tests:

This adds two unit tests of the android logreader.

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Breaking Change

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