Set timeout to 6 minutes for CtsOpenGlPerf2TestCases

Below case can't pass with 5 minutes timeout on VeriSilicon gc600 GPU.
android.opengl2.cts.reference.GLReferenceBenchmark#testReferenceBenchmark

Bug: b/136032216
Change-Id: I18fe53fa92860c49f7fd75bb44419ae804c977d4
Signed-off-by: Richard Liu <xuegang.liu@nxp.com>
1 file changed