libmediatranscoding: Reorganize test assets

Move test_assets filegroup to correct Android.bp

Move test files in assets to a subfolder as needed in
AndroidTestTemplate.xml

Bug: 173627260
Test: Builds

Change-Id: I1e32081a069c4c1b25aa200dcdb165c0feb07b8a
diff --git a/media/libmediatranscoding/transcoder/tests/Android.bp b/media/libmediatranscoding/transcoder/tests/Android.bp
index 7ae6261..2fec74c 100644
--- a/media/libmediatranscoding/transcoder/tests/Android.bp
+++ b/media/libmediatranscoding/transcoder/tests/Android.bp
@@ -1,10 +1,4 @@
 // Unit tests for libmediatranscoder.
-
-filegroup {
-    name: "test_assets",
-    srcs: ["assets/*"],
-}
-
 cc_defaults {
     name: "testdefaults",
 
diff --git a/media/libmediatranscoding/transcoder/tests/AndroidTestTemplate.xml b/media/libmediatranscoding/transcoder/tests/AndroidTestTemplate.xml
index a9a7e2e..451d565 100644
--- a/media/libmediatranscoding/transcoder/tests/AndroidTestTemplate.xml
+++ b/media/libmediatranscoding/transcoder/tests/AndroidTestTemplate.xml
@@ -17,9 +17,7 @@
     <option name="test-suite-tag" value="TranscoderTests" />
     <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
         <option name="cleanup" value="false" />
-        <option name="push-file"
-            key="assets"
-            value="/data/local/tmp/TranscodingTestAssets" />
+        <option name="push-file" key="TranscodingTestAssets" value="/data/local/tmp/TranscodingTestAssets" />
     </target_preparer>
 
     <test class="com.android.tradefed.testtype.GTest" >
diff --git a/media/libmediatranscoding/transcoder/tests/build_and_run_all_unit_tests.sh b/media/libmediatranscoding/transcoder/tests/build_and_run_all_unit_tests.sh
index b848b4c..792c541 100755
--- a/media/libmediatranscoding/transcoder/tests/build_and_run_all_unit_tests.sh
+++ b/media/libmediatranscoding/transcoder/tests/build_and_run_all_unit_tests.sh
@@ -20,7 +20,7 @@
 fi
 
 # Push the files onto the device.
-. $ANDROID_BUILD_TOP/frameworks/av/media/libmediatranscoding/tests/assets/push_assets.sh
+. $ANDROID_BUILD_TOP/frameworks/av/media/libmediatranscoding/tests/push_assets.sh
 
 echo "========================================"