The LineBreakConfig instance in the StaticLayout is null as default. Because the LineBreakConfig in StaticLayout was not initialized, the null instance was brought to PrecomputedText and caused the function PrecomputedText.Builder#checkResultUsable to return UNUSABLE. Bug: b/220992481 Test: atest StaticLayoutTest; atest StaticLayoutPerfTest Change-Id: I93bcb6ebc35344e34e9bb8a24df375aa7b3a8d81