Improve Text Color Contrast in Glanceable hub

Updated the text color from MaterialTheme.colorScheme.secondary
to MaterialTheme.colorScheme.primary to ensure sufficient contrast
on both Light and Dark themes. This change aligns with UX recommendations
to avoid using secondary text color on primary backgrounds.

Test: Device Tested
Flag: NONE small ux change
Fixes: 378418098
Change-Id: I18b76c9b4af71b580bbe353d1af236ab17b3a5f2