updater_sample: update tools

- Allow gen_update_config.py to use ota_from_target_files from
  $ANDROID_BUILD_TOP/build/make/tools/releasetools/
- tests/res/raw/ota_002_package.zip re-generated using functions from
  $ANDROID_BUILD_TOP/build/make/tools/releasetools/test_ota_from_target_files.py
- sample app tests updated

Test: ./tools/gen_update_config_test.py
Change-Id: I5c492ec22782ba54fe481f592a44e797c695684e
Signed-off-by: Zhomart Mukhamejanov <zhomart@google.com>
diff --git a/updater_sample/tests/res/raw/update_config_stream_002.json b/updater_sample/tests/res/raw/update_config_stream_002.json
index f00f19c..cf4469b 100644
--- a/updater_sample/tests/res/raw/update_config_stream_002.json
+++ b/updater_sample/tests/res/raw/update_config_stream_002.json
@@ -4,29 +4,34 @@
     "ab_streaming_metadata": {
         "property_files": [
             {
+                "filename": "payload_metadata.bin",
+                "offset": 41,
+                "size": 827
+            },
+            {
                 "filename": "payload.bin",
                 "offset": 41,
-                "size": 7
+                "size": 1392
             },
             {
                 "filename": "payload_properties.txt",
-                "offset": 100,
-                "size": 18
+                "offset": 1485,
+                "size": 147
             },
             {
                 "filename": "care_map.txt",
-                "offset": 160,
-                "size": 8
+                "offset": 1674,
+                "size": 12
             },
             {
                 "filename": "compatibility.zip",
-                "offset": 215,
-                "size": 13
+                "offset": 1733,
+                "size": 17
             },
             {
                 "filename": "metadata",
-                "offset": 287,
-                "size": 8
+                "offset": 1809,
+                "size": 29
             }
         ]
     },