Revert "Remove git submodules before rolling into Android"
Revert "Remove git submodules before rolling into Android"

This reverts commit efe254de5d881c3d65030c6a5801d6969f9dde35.

b/189557997 was addressed by removing .gitmodules in the AutoRoller:
https://skia-review.googlesource.com/c/buildbot/+/415736

Change-Id: Iec5ea73fce689f5286aedc486447ea0f498912b7
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/54868
Tested-by: Nicolas Capens <51edc787c30f24c4904e8ffbb5523c3a9f7a451d@google.com>
Reviewed-by: Jason Macnak <76caa58940b8c6785e996f522e85b625ac7c7baa@google.com>
Reviewed-by: Alexis Hétu <1c7141772178a7e80858c3db5052b328076f08f4@google.com>

google/swiftshader,google/swiftshader,google/swiftshader