Update ril.h documentation for vts

Update ril.h documentation for errors found by VTS

copy of https://partner-android-review.googlesource.com/#/c/836670/
+ extra update for some missed error code
+ request_not_supported

Bug: 35671595
Test: Manual
Change-Id: Ib444c357830ff4533716dfe12c1189fd32715da9
Merged-In: Ib444c357830ff4533716dfe12c1189fd32715da9
(cherry picked from commit a216ed40b16c856bdb4bf0670ac9ed39e06235c3)
1 file changed
tree: de1deb4bdbeb25137dc368d8a2c01c8b5173bb89
  1. include/
  2. libril/
  3. librilutils/
  4. reference-ril/
  5. rild/
  6. CleanSpec.mk
  7. OWNERS