Convert keyboard ISO test to bivalent test.

Bug: 311436322
Test: atest -c InputRoboRNGTests
Change-Id: I4b0d838ff5dc9c24ed781de7499cf1e550357575
diff --git a/tests/InputScreenshotTest/Android.bp b/tests/InputScreenshotTest/Android.bp
index 15aaa46..83ced2c 100644
--- a/tests/InputScreenshotTest/Android.bp
+++ b/tests/InputScreenshotTest/Android.bp
@@ -7,12 +7,27 @@
     default_applicable_licenses: ["frameworks_base_license"],
 }
 
+filegroup {
+    name: "InputScreenshotTestRNGFiles",
+    srcs: [
+        "src/**/*.java",
+        "src/**/*.kt",
+    ],
+    exclude_srcs: [
+        "src/android/input/screenshot/KeyboardLayoutPreviewAnsiScreenshotTest.kt",
+        "src/android/input/screenshot/KeyboardLayoutPreviewJisScreenshotTest.kt",
+    ],
+}
+
 android_test {
     name: "InputScreenshotTests",
     srcs: [
         "src/**/*.java",
         "src/**/*.kt",
     ],
+    exclude_srcs: [
+        "src/android/input/screenshot/package-info.java",
+    ],
     platform_apis: true,
     certificate: "platform",
     static_libs: [
@@ -43,6 +58,7 @@
         "hamcrest-library",
         "kotlin-test",
         "flag-junit",
+        "platform-parametric-runner-lib",
         "platform-test-annotations",
         "services.core.unboosted",
         "testables",