Open-source TransferLearningAdapter and register as Generators.BOTL (#5052)

Summary: Pull Request resolved: #5052

Reviewed By: lena-kashtelyan

Differential Revision: D96362191

fbshipit-source-id: 0ba5218814504678793a0a10b4af131c8b559db7

Author: sdaulton

ax/adapter/registry.py

@@ -463,6 +463,7 @@ class Generators(GeneratorRegistryBase):
     IN_SAMPLE_UNIFORM = "InSampleUniform"
     ST_MTGP = "ST_MTGP"
     BO_MIXED = "BO_MIXED"
+    BOTL = "BOTL"
 
 
 def _extract_generator_state_after_gen(

ax/adapter/transfer_learning/__init__.py

@@ -4,3 +4,11 @@
 # LICENSE file in the root directory of this source tree.
 
 # pyre-strict
+
+from ax.adapter.transfer_learning.adapter import (  # noqa F401
+    logger,
+    TARGET_TASK_VALUE,
+    TL_EXP,
+    transfer_learning_generator_specs_constructor,
+    TransferLearningAdapter,
+)