Align the LE audio context type value and naming with SIG assigned number

The previous value and naming is dismatch with the publiched assigned
number, and the stack definition as well.

The patch includes the following modification
1. Correct the context type value
2. Align the naming and comment
3. Change the order based on the context type value

Bug: 240145498
Test: PTS test case and check the context type picker is the same
between bt stack and framework

Change-Id: Ib18d07a64a323791786ad60aa00bcfc0af712552
Merged-In: Ib18d07a64a323791786ad60aa00bcfc0af712552
(cherry picked from commit 56069e28)