Camera: Increase timeout for long-running test.

CameraGLTest#testCameraToSurfaceTextureMetadata() can take ~15 minutes
to run with sufficient resolutions and frame rates. Increase the
default test timeout of 10 minutes to 20 to avoid spurious failures.

Bug: 6970568
Change-Id: I4b5f01801f74437fec920bc1cdac122a1d60d0e8
1 file changed