Launcher3: Switch back to tertiary color for search hint

https://imgur.com/a/YHqKgtZ

This (partially) reverts commit 82eddd2.

Change-Id: I4af610f94b4b1d66bb0d283f88212461afbc4322
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
Signed-off-by: Jackeagle <jackeagle102@gmail.com>
3 files changed