Change NFC antenna api comments to indicated top-left start
point for all axis.

Bug: 342041952
Test: N/A
Flag: DOCS_ONLY

Merged-In: I0d84a68520153ad6d06b0982d9785862a4ecf668
Change-Id: I0d84a68520153ad6d06b0982d9785862a4ecf668
2 files changed