Convert apct/framework/input_method_core_test-cloud-tf to Test Mapping Suite.

This CL is to convert CF presubmit tests to run in Test Mapping suite.
It has been verified that the test coverage is the same as the original
ATP config.

Bug: 145165552

Test: TreeHugger
      atest FrameworksCoreTests

Change-Id: I16582332da442a0c587c89ab7b8b400e8ebdf061

core/TEST_MAPPING

@@ -0,0 +1,24 @@
+{
+  "presubmit": [
+    {
+      "name": "FrameworksCoreTests",
+      "options": [
+        {
+          "include-filter": "android.view.inputmethod"
+        },
+        {
+          "include-filter": "com.android.internal.inputmethod"
+        },
+        {
+          "exclude-annotation": "androidx.test.filters.FlakyTest"
+        }
+      ],
+      "file_patterns": [
+        "core/java/com/android/internal/inputmethod/.*",
+        "core/java/android/view/inputmethod/.*",
+        "core/tests/coretests/src/android/view/inputmethod/.*",
+        "core/tests/coretests/src/com/android/internal/inputmethod/.*"
+      ]
+    }
+  ]
+}