Add tunnel peek OMX config flag

This commit introduces the OMX_IndexConfigAndroidTunnelPeek flag,
which controls tunnel peek configuration in OMX codec implementations.

Bug: 157501309
Test: Adds new unimplemented, unused configuration
CTS-Coverage-Bug: 157501309
Change-Id: I47bef82f1b23b24a0777b1dd6bcbdb08739c4ac2
1 file changed