In crypto_test_utils, move connection close frame between two test connections. This allows tests to check connection close errors on both ends.
In crypto_test_utils, move connection close frame between two test connections. This allows tests to check connection close errors on both ends.

PiperOrigin-RevId: 351845706
Change-Id: I1b3d22cc55a1aa2b728c3598555e633d9f30bb28

google/quiche,google/quiche,google/quiche,google/quiche