DecodeGlAccuracyTest: Check OpenGLES 3.0 & GL_EXT_YUV_target support

GL_EXT_YUV_Target which requires Open GL ES 3.0 is mandatory only
if device includes codecs that support FEATURE_HdrEditing.

The test is now updated to check if this extension is supported
before attempting to use it.

Bug: 235578781
Bug: 239665279
Test: atest CtsMediaV2TestCases:DecodeGlAccuracyTest
Change-Id: I636aca5464ab80a2e1241b541b303f7d15df1ea8