Increase the interval between blocks in PhysicsBasedUnfoldTransitionProgressProviderTest

This should help to reduce flakiness in the test when ran on cuttlefish.
We observed only one failure so far.

Bug: 380350418
Change-Id: Iade3812cb467fb2da26eedba7d6f3f17c61551a6
Test: PhysicsBasedUnfoldTransitionProgressProviderTest
Flag: NONE test bugfix
1 file changed