media: polish EncoderProfiles

Made inner classes private.
Added IntDef annotations (also to related CamcorderProfiles methods).
Deprecated CamcorderProfiles.get methods.

Bug: 184714224
Test: atest CamcorderProfileTest
Change-Id: Ibbacb7d3c5f3558f82c109bf36a64f6a3e369b31
4 files changed