[SP32.1] Put OffloadControl 1.1 HAL into apex

Test: atest TetheringTests
Bug: 149467454
Merged-In: I0e4dc6758d87c320fc622da06144b4ceceb91964
Change-Id: I0e4dc6758d87c320fc622da06144b4ceceb91964
  (cherry-picked from ag/13981664)
diff --git a/tetheroffload/control/1.1/Android.bp b/tetheroffload/control/1.1/Android.bp
index e87ff5c..7871c2c 100644
--- a/tetheroffload/control/1.1/Android.bp
+++ b/tetheroffload/control/1.1/Android.bp
@@ -21,5 +21,9 @@
         "android.hardware.tetheroffload.control@1.0",
         "android.hidl.base@1.0",
     ],
+    apex_available: [
+        "//apex_available:platform", // Used by InProcessTethering
+        "com.android.tethering",
+    ],
     gen_java: true,
 }