[flexiglass] Verify that NSSL#mIntrinsicContentHeight is not accessed

NSSL#mIntrinsicContentHeight is replaced by ScrollViewFields#.intrinsicStackHeight when flexiglass is enabled.

Bug: 296118689
Test: run sysui with, and without flexiglass
Flag: EXEMPT mechanical refactor
Change-Id: Ieb5800fe8fa6d0a01a5035830d0a80d7f2a25702
2 files changed