Add new e2e test case: seeker_show_halfsheet_test.

This test verify half sheet UI pop up for the FP simulator.
This is also the first step for initial pairing e2e tests.

Test: atest -v CtsNearbyMultiDevicesTestSuite
Demo: http://recall/-/cycSROwIosTzHgYDSIqPXl/cfN94OCK5mdobvjdxRD2gp
Bug: 214015364
Change-Id: Ife1279ca34ece513080b4a9bfe8dd03d045d4d94
diff --git a/nearby/tests/multidevices/clients/Android.bp b/nearby/tests/multidevices/clients/Android.bp
index 9c1f3f5..579baa5 100644
--- a/nearby/tests/multidevices/clients/Android.bp
+++ b/nearby/tests/multidevices/clients/Android.bp
@@ -25,8 +25,11 @@
         "NearbyFastPairProviderLib",
         "NearbyFastPairSeekerSharedLib",
         "androidx.test.core",
+        "androidx.test.ext.junit",
+        "androidx.test.uiautomator_uiautomator",
         "kotlin-stdlib",
         "mobly-snippet-lib",
+        "truth-prebuilt",
     ],
 }