Remove android-support-test from InputTests.

android-support-test is long deprecated, and the runner flakes if both
androidx.test and android-support-test are included.

Bug: 171910851
Bug: 172570181
Test: m -j InputTests
Change-Id: Icd257481583e9555875d5fd0e93caba49d44caab
diff --git a/tests/Input/Android.bp b/tests/Input/Android.bp
index 0e9f723..a8aab2a 100644
--- a/tests/Input/Android.bp
+++ b/tests/Input/Android.bp
@@ -6,7 +6,6 @@
     static_libs: [
             "androidx.test.ext.junit",
             "androidx.test.rules",
-            "android-support-test",
             "ub-uiautomator",
         ],
     test_suites: ["device-tests"],