Remove Attribute.hasHostConfigurationTransition.

Part of #7814.

PiperOrigin-RevId: 241576383
diff --git a/src/test/java/com/google/devtools/build/lib/analysis/ConfiguredAttributeMapperTest.java b/src/test/java/com/google/devtools/build/lib/analysis/ConfiguredAttributeMapperTest.java
index 71561f4..eea7ba4 100644
--- a/src/test/java/com/google/devtools/build/lib/analysis/ConfiguredAttributeMapperTest.java
+++ b/src/test/java/com/google/devtools/build/lib/analysis/ConfiguredAttributeMapperTest.java
@@ -183,7 +183,8 @@
                 .getAssociatedRule()
                 .getRuleClassObject()
                 .getAttributeByName("tools")
-                .hasHostConfigurationTransition())
+                .getTransitionFactory()
+                .isHost())
         .isTrue();
     assertThat(getHostConfiguration().getCompilationMode()).isEqualTo(CompilationMode.OPT);
   }
diff --git a/src/test/java/com/google/devtools/build/lib/packages/AttributeTest.java b/src/test/java/com/google/devtools/build/lib/packages/AttributeTest.java
index 6353b8a..890e743 100644
--- a/src/test/java/com/google/devtools/build/lib/packages/AttributeTest.java
+++ b/src/test/java/com/google/devtools/build/lib/packages/AttributeTest.java
@@ -304,7 +304,7 @@
   public void testHostTransition() throws Exception {
     Attribute attr =
         attr("foo", LABEL).cfg(HostTransition.createFactory()).allowedFileTypes().build();
-    assertThat(attr.hasHostConfigurationTransition()).isTrue();
+    assertThat(attr.getTransitionFactory().isHost()).isTrue();
     assertThat(attr.getTransitionFactory().isSplit()).isFalse();
   }
 
diff --git a/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java b/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java
index 325bc83..005d025 100644
--- a/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java
+++ b/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java
@@ -581,7 +581,7 @@
   @Test
   public void testAttrCfg() throws Exception {
     Attribute attr = buildAttribute("a1", "attr.label(cfg = 'host', allow_files = True)");
-    assertThat(attr.hasHostConfigurationTransition()).isTrue();
+    assertThat(attr.getTransitionFactory().isHost()).isTrue();
   }
 
   @Test