Adds initial proto-lite test suite.
Adds initial proto-lite test suite.

PiperOrigin-RevId: 379349204

mirego/j2objc,groschovskiy/j2objc,google/j2objc,google/j2objc,groschovskiy/j2objc,groschovskiy/j2objc,google/j2objc,mirego/j2objc,google/j2objc,groschovskiy/j2objc,mirego/j2objc,google/j2objc,mirego/j2objc,google/j2objc,mirego/j2objc,mirego/j2objc,groschovskiy/j2objc,groschovskiy/j2objc