Change TOC and TOE to long

Change TOC and TOE definition to
1. long
2. time in seconds since GPS epoch, regardless of constellation
3. must not be encoded
4. rename to timeOfClockSeconds and timeOfEphemerisSeconds

Bug: 219575003
Test: on device
Change-Id: Icb75a3397d3bf41c91e2a19bbec8a95a97100a07
(cherry picked from commit f20e55cf)