Move IOStream_common.cpp to GLESv2_enc am: 99489487e1 am: 05d9fc50e8 am: 7e13764924

Original change: https://googleplex-android-review.googlesource.com/c/device/generic/goldfish-opengl/+/11450605

Change-Id: I34fc5062ffb00a5feaa9c48cd9a4d7201f3970b8