Add missing API level checks in EnumerateDecodersTest

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=209414373

playbacktests/src/androidTest/java/com/google/android/exoplayer2/playbacktests/gts/EnumerateDecodersTest.java

@@ -88,33 +88,44 @@ public class EnumerateDecodersTest {
   }
 
   private void enumerateDecoders(String mimeType) throws DecoderQueryException {
-    logDecoderInfos(MediaCodecUtil.getDecoderInfos(mimeType, /* secure= */ false));
-    logDecoderInfos(MediaCodecUtil.getDecoderInfos(mimeType, /* secure= */ true));
+    logDecoderInfos(mimeType, /* secure= */ false);
+    logDecoderInfos(mimeType, /* secure= */ true);
   }
 
-  private void logDecoderInfos(List<MediaCodecInfo> mediaCodecInfos) {
+  private void logDecoderInfos(String mimeType, boolean secure) throws DecoderQueryException {
+    List<MediaCodecInfo> mediaCodecInfos = MediaCodecUtil.getDecoderInfos(mimeType, secure);
     for (MediaCodecInfo mediaCodecInfo : mediaCodecInfos) {
       CodecCapabilities capabilities = Assertions.checkNotNull(mediaCodecInfo.capabilities);
       metricsLogger.logMetric(
-          "capabilities_" + mediaCodecInfo.name, codecCapabilitiesToString(capabilities));
+          "capabilities_" + mediaCodecInfo.name, codecCapabilitiesToString(mimeType, capabilities));
     }
   }
 
-  private static String codecCapabilitiesToString(CodecCapabilities codecCapabilities) {
-    String mimeType = codecCapabilities.getMimeType();
-    boolean isVideo = MimeTypes.isVideo(mimeType);
-    boolean isAudio = MimeTypes.isAudio(mimeType);
+  private static String codecCapabilitiesToString(
+      String requestedMimeType, CodecCapabilities codecCapabilities) {
+    boolean isVideo = MimeTypes.isVideo(requestedMimeType);
+    boolean isAudio = MimeTypes.isAudio(requestedMimeType);
     StringBuilder result = new StringBuilder();
-    result.append("[mimeType=").append(mimeType).append(", profileLevels=");
-    profileLevelsToString(codecCapabilities.profileLevels, result);
-    result.append(", maxSupportedInstances=").append(codecCapabilities.getMaxSupportedInstances());
-    if (isVideo) {
-      result.append(", videoCapabilities=");
-      videoCapabilitiesToString(codecCapabilities.getVideoCapabilities(), result);
-      result.append(", colorFormats=").append(Arrays.toString(codecCapabilities.colorFormats));
-    } else if (isAudio) {
-      result.append(", audioCapabilities=");
-      audioCapabilitiesToString(codecCapabilities.getAudioCapabilities(), result);
+    result.append("[requestedMimeType=").append(requestedMimeType);
+    if (Util.SDK_INT >= 21) {
+      result.append(", mimeType=").append(codecCapabilities.getMimeType());
+    }
+    result.append(", profileLevels=");
+    appendProfileLevels(codecCapabilities.profileLevels, result);
+    if (Util.SDK_INT >= 23) {
+      result
+          .append(", maxSupportedInstances=")
+          .append(codecCapabilities.getMaxSupportedInstances());
+    }
+    if (Util.SDK_INT >= 21) {
+      if (isVideo) {
+        result.append(", videoCapabilities=");
+        appendVideoCapabilities(codecCapabilities.getVideoCapabilities(), result);
+        result.append(", colorFormats=").append(Arrays.toString(codecCapabilities.colorFormats));
+      } else if (isAudio) {
+        result.append(", audioCapabilities=");
+        appendAudioCapabilities(codecCapabilities.getAudioCapabilities(), result);
+      }
     }
     if (Util.SDK_INT >= 19
         && isVideo
@@ -140,7 +151,7 @@ public class EnumerateDecodersTest {
     return result.toString();
   }
 
-  private static void audioCapabilitiesToString(
+  private static void appendAudioCapabilities(
       AudioCapabilities audioCapabilities, StringBuilder result) {
     result
         .append("[bitrateRange=")
@@ -152,7 +163,7 @@ public class EnumerateDecodersTest {
         .append(']');
   }
 
-  private static void videoCapabilitiesToString(
+  private static void appendVideoCapabilities(
       VideoCapabilities videoCapabilities, StringBuilder result) {
     result
         .append("[bitrateRange=")
@@ -170,8 +181,7 @@ public class EnumerateDecodersTest {
         .append(']');
   }
 
-  private static void profileLevelsToString(
-      CodecProfileLevel[] profileLevels, StringBuilder result) {
+  private static void appendProfileLevels(CodecProfileLevel[] profileLevels, StringBuilder result) {
     result.append('[');
     int count = profileLevels.length;
     for (int i = 0; i < count; i++) {