Expose TelephonyManager constants as SystemApi

CARD_POWER_DOWN, CARD_POWER_UP, CARD_POWER_UP_PASS_THROUGH

Test: lunch && make && make doc-comment-check-docs --> no compile errors
Bug: 147611125
Change-Id: I2329e99ab7fc12ca71e057e2d5c639c43d4a6dd5
2 files changed