Import absl-py library from codebase

This removes the need of pip install absl-py and
virtual env usage from the tests.

Test: atest NetworkStaticLibHostPythonTests
Bug: N/A
Change-Id: I2259f7702ecc6b5e7b7b23e2bf44fa28a5a2e07b
diff --git a/staticlibs/tests/unit/Android.bp b/staticlibs/tests/unit/Android.bp
index 91f94b5..61f41f7 100644
--- a/staticlibs/tests/unit/Android.bp
+++ b/staticlibs/tests/unit/Android.bp
@@ -70,6 +70,7 @@
     ],
     main: "host/python/run_tests.py",
     libs: [
+        "absl-py",
         "mobly",
         "net-tests-utils-host-python-common",
     ],
@@ -81,10 +82,4 @@
     test_options: {
         unit_test: false,
     },
-    // Needed for applying VirtualEnv.
-    version: {
-        py3: {
-            embedded_launcher: false,
-        },
-    },
 }