Merge "Fix testGetSurroundingTextFailWithNegative{Before,After}LengthForA11y" into tm-dev

    @AnyThread

    public SurroundingText getSurroundingText(

            @IntRange(from = 0) int beforeLength, @IntRange(from = 0) int afterLength, int flags) {

        if (beforeLength < 0) {

            throw new IllegalArgumentException("beforeLength cannot be negative but was "

                + beforeLength);

        }

        if (afterLength < 0) {

            throw new IllegalArgumentException("afterLength cannot be negative but was "

                    + afterLength);

        }

        if (mCancellationGroup.isCanceled()) {

            return null;

        }