Roll Flutter Engine from 59b6b94e1a51 to 1bb228dfedfa (1 revision) (#…

…136082)

flutter/engine@59b6b94...1bb228d

2023-10-06 [email protected] [Impeller] Track clip coverage per-pass when not collapsing. (flutter/engine#46597)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
Please CC [email protected],[email protected],[email protected] on the revert to ensure that a human
is aware of the problem.

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https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

bin/internal/engine.version

@@ -1 +1 @@
-59b6b94e1a5168ddb77315df788a80fe0c094ecd
+1bb228dfedfae5f46fe7e897d8f8097d4baf4ac3