Add missing size check when parsing staged aliases

Need to have the same kind of data size check as in other
types parsing

Bug: 203938029
Test: manual
Change-Id: I9f5d2851ff59da90163ead6c0416f0bba3868cc4
Merged-In: I9f5d2851ff59da90163ead6c0416f0bba3868cc4
(cherry picked from commit 8002034e6b11e9be85671505475936b1ec3705b3)
1 file changed