Suppress forthcoming http://errorprone.info/bugpattern/CacheLoaderNull findings.

RELNOTES=n/a
PiperOrigin-RevId: 850532772

Author: cpovirk

android/guava-tests/test/com/google/common/cache/CacheLoadingTest.java

@@ -650,6 +650,7 @@ public Object load(Object key) {
             return one;
           }
 
+          @SuppressWarnings("CacheLoaderNull") // test of broken user implementation
           @Override
           public ListenableFuture<Object> reload(Object key, Object oldValue) {
             return null;
@@ -823,6 +824,7 @@ public Object load(Object key) {
                     throw new AssertionError();
                   }
 
+                  @SuppressWarnings("CacheLoaderNull") // test of broken user implementation
                   @Override
                   public Map<Object, Object> loadAll(Iterable<?> keys) {
                     return null;

guava-tests/test/com/google/common/cache/CacheLoadingTest.java

@@ -650,6 +650,7 @@ public Object load(Object key) {
             return one;
           }
 
+          @SuppressWarnings("CacheLoaderNull") // test of broken user implementation
           @Override
           public ListenableFuture<Object> reload(Object key, Object oldValue) {
             return null;
@@ -823,6 +824,7 @@ public Object load(Object key) {
                     throw new AssertionError();
                   }
 
+                  @SuppressWarnings("CacheLoaderNull") // test of broken user implementation
                   @Override
                   public Map<Object, Object> loadAll(Iterable<?> keys) {
                     return null;