Add all ravenwood tests as presubmit

Fix: 362955568
Test: treehugger
Flag: EXEMPT test mapping change only
Change-Id: If29f7c002f05a4326cb645ddbd1d285d5c50b951
diff --git a/ravenwood/scripts/update-test-mapping.sh b/ravenwood/scripts/update-test-mapping.sh
new file mode 100755
index 0000000..b6cf5b8
--- /dev/null
+++ b/ravenwood/scripts/update-test-mapping.sh
@@ -0,0 +1,82 @@
+#!/bin/bash
+# Copyright (C) 2024 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Update f/b/r/TEST_MAPPING with all the ravenwood tests as presubmit.
+#
+# Note, before running it, make sure module-info.json is up-to-date by running
+# (any) build.
+
+set -e
+
+main() {
+    local script_name="${0##*/}"
+    local script_dir="${0%/*}"
+    local test_mapping="$script_dir/../TEST_MAPPING"
+    local test_mapping_bak="$script_dir/../TEST_MAPPING.bak"
+
+    local header="$(sed -ne '1,/AUTO-GENERATED-START/p' "$test_mapping")"
+    local footer="$(sed -ne '/AUTO-GENERATED-END/,$p' "$test_mapping")"
+
+    echo "Getting all tests"
+    local tests=( $("$script_dir/list-ravenwood-tests.sh") )
+
+    local num_tests="${#tests[@]}"
+
+    if (( $num_tests == 0 )) ; then
+        echo "Something went wrong. No ravenwood tests detected." 1>&2
+        return 1
+    fi
+
+    echo "Tests: ${tests[@]}"
+
+    echo "Creating backup at $test_mapping_bak"
+    cp "$test_mapping" "$test_mapping_bak"
+
+    echo "Updating $test_mapping"
+    {
+        echo "$header"
+
+        echo "    // DO NOT MODIFY MANUALLY"
+        echo "    // Use scripts/$script_name to update it."
+
+        local i=0
+        while (( $i < $num_tests )) ; do
+            local comma=","
+            if (( $i == ($num_tests - 1) )); then
+                comma=""
+            fi
+            echo "    {"
+            echo "      \"name\": \"${tests[$i]}\","
+            echo "      \"host\": true"
+            echo "    }$comma"
+
+            i=$(( $i + 1 ))
+        done
+
+        echo "$footer"
+    } >"$test_mapping"
+
+    if cmp "$test_mapping_bak" "$test_mapping" ; then
+        echo "No change detecetd."
+        return 0
+    fi
+    echo "Updated $test_mapping"
+
+    # `|| true` is needed because of `set -e`.
+    diff -u "$test_mapping_bak" "$test_mapping" || true
+    return 0
+}
+
+main