zipalign: Fix pageAlignSharedLibs arg in tests

zipalign_test is passing (int)4096 instead of required bool
for the pageAlignSharedLibs parameter. Update the test to use
the correct type.

Bug: 276963821
Test: atest -c zipalign_tests
Change-Id: I4150dbd411e5a40427281645aa03262f7b0c9e3a
Signed-off-by: Kalesh Singh <kaleshsingh@google.com>