mediav2 CTS: Add Encoder HDR Dynamic Test

Bug: 210275761
Test: atest android.mediav2.cts.EncoderHDRInfoTest

Change-Id: Iea83b5217ffe711f4a5d4114d6f8c580305f0f05
(cherry picked from commit 0b0999cc2d2693a30429cf1196125cece6a21a59)
Merged-In: I3ea8f9a592433c29ab7faf58102688a317346612
2 files changed