Fix JavaDoc in BitmapCacheTest

Bug: None
Change-Id: I956cb37b753b2983f90dd4750dfdb7e692c2d4cb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1873917
Auto-Submit: Wei-Yin Chen (陳威尹) <wychen@chromium.org>
Reviewed-by: Yusuf Ozuysal <yusufo@chromium.org>
Commit-Queue: Wei-Yin Chen (陳威尹) <wychen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#708303}

chrome/android/junit/src/org/chromium/chrome/browser/util/BitmapCacheTest.java

@@ -97,13 +97,13 @@ public class BitmapCacheTest {
         Assert.assertEquals(1, BitmapCache.dedupCacheSizeForTesting());
     }
 
-    /*
-     * {@link BitmapCache.clearDedupCacheForTesting} is supposed to be called in
+    /**
+     * {@link BitmapCache#clearDedupCacheForTesting} is supposed to be called in
      * setUp() only, and should not be called inside a @Test, or it would leak
      * too much implementation details. However, it is required to do it to
      * properly test the cache eviction without relying on GC. In order to make
-     * sure {@link testLowCapacity} tests what we want to test, this test verifies
-     * that calling {@link BitmapCache.clearDedupCacheForTesting} is not the reason
+     * sure {@link #testLowCapacity} tests what we want to test, this test verifies
+     * that calling {@link BitmapCache#clearDedupCacheForTesting} is not the reason
      * the cache returns null.
      */
     @Test