Fix for ellipsized text that has two lines at maximum.

The breakOnlyAtSpaces test did not include the reset at the end of the loop
which resets j and w (current position and width). As a result, the second line
was too long from the start and never cut again.

Hours a debug, a simple { change.

Bug 2969667

Change-Id: I1e5b4a37cd9e64d115e6343d7788db3a6ef881e0