Move StaticLayoutLineBreakingTest from coretests to CTS

Since I2c0f0365824caef6959b213ddae5a03f8cf62c7c removed the use of
private APIS in StaticLayoutLineBreakingTests, we can move the tests
to CTS.

Test: bit FrameworksCoreTests:android.text.
Bug: 67384149
Change-Id: Ia3264df256fac547d91cffc549a2fb1528651676