Don't keep 100MB static buffer in test.

This may remove available memory from other tests running in the same
process. Instead, create the huge buffer when needed so it can be GCed
immediately.

PiperOrigin-RevId: 330960844

library/core/src/test/java/com/google/android/exoplayer2/mediacodec/BatchBufferTest.java

@@ -39,8 +39,6 @@ public final class BatchBufferTest {
 
   private static final byte[] TEST_ACCESS_UNIT =
       TestUtil.buildTestData(BUFFER_SIZE_MUCH_SMALLER_THAN_BATCH_SIZE_BYTES);
-  private static final byte[] TEST_HUGE_ACCESS_UNIT =
-      TestUtil.buildTestData(BUFFER_SIZE_LARGER_THAN_BATCH_SIZE_BYTES);
 
   private final BatchBuffer batchBuffer = new BatchBuffer();
 
@@ -163,15 +161,16 @@ public final class BatchBufferTest {
     batchBuffer.getNextAccessUnitBuffer().ensureSpaceForWrite(TEST_ACCESS_UNIT.length);
     batchBuffer.getNextAccessUnitBuffer().data.put(TEST_ACCESS_UNIT);
     batchBuffer.commitNextAccessUnit();
-    batchBuffer.getNextAccessUnitBuffer().ensureSpaceForWrite(TEST_HUGE_ACCESS_UNIT.length);
-    batchBuffer.getNextAccessUnitBuffer().data.put(TEST_HUGE_ACCESS_UNIT);
+    byte[] hugeAccessUnit = TestUtil.buildTestData(BUFFER_SIZE_LARGER_THAN_BATCH_SIZE_BYTES);
+    batchBuffer.getNextAccessUnitBuffer().ensureSpaceForWrite(hugeAccessUnit.length);
+    batchBuffer.getNextAccessUnitBuffer().data.put(hugeAccessUnit);
     batchBuffer.commitNextAccessUnit();
 
     batchBuffer.batchWasConsumed();
     batchBuffer.flip();
 
     assertThat(batchBuffer.getAccessUnitCount()).isEqualTo(1);
-    assertThat(batchBuffer.data).isEqualTo(ByteBuffer.wrap(TEST_HUGE_ACCESS_UNIT));
+    assertThat(batchBuffer.data).isEqualTo(ByteBuffer.wrap(hugeAccessUnit));
   }
 
   @Test