Tests

Bump third_party/openthread/repo from `102a631` to `652e3f2` #883

Job	Run time
REPL Tests - Linux	44m 36s
Test Suites - Darwin (no-ble-asan-clang)	47m 58s
Test Suites - Linux (no-ble-tsan-clang)	1h 7m 13s
REPL Tests - Darwin	0s
	2h 39m 47s

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