Really fix excessive 'trun' box parsing

marks video tracks with excessive trun boxes filled with defaults as invalid.
handles overflow in the constructed vector of samples.

Bug: 124389881
Test: poc
Change-Id: If89c912d73340e41fd8ea81d74595a56987c961d
(cherry picked from commit 6707df1fea60bd7147262f7d7b2f1cece1687004)