Use classpath elements in platform_bootclasspath

Use classpath elements in newMonolithicHiddenAPIInfo. That means the
method can collate information from both fragments and libraries rather
than just fragments. So, this change moves the collation of the
classesJars into the method.

Bug: 177892522
Test: m out/soong/hiddenapi/hiddenapi-flags.csv out/soong/hiddenapi/hiddenapi-index.csv
      - make sure that this change does not affect the contents.
Change-Id: I7c2a229fab60d02bd211438735a8d7303ed83386

apex/platform_bootclasspath_test.go

@@ -234,12 +234,18 @@ func TestPlatformBootclasspathDependencies(t *testing.T) {
 		apex {
 			name: "myapex",
 			key: "myapex.key",
-			java_libs: [
-				"bar",
+			bootclasspath_fragments: [
+				"my-bootclasspath-fragment",
 			],
 			updatable: false,
 		}
 
+		bootclasspath_fragment {
+			name: "my-bootclasspath-fragment",
+			contents: ["bar"],
+			apex_available: ["myapex"],
+		}
+
 		apex_key {
 			name: "myapex.key",
 			public_key: "testkey.avbpubkey",
@@ -267,6 +273,10 @@ func TestPlatformBootclasspathDependencies(t *testing.T) {
 					apex: "com.android.art",
 					module: "art-bootclasspath-fragment",
 				},
+				{
+					apex: "myapex",
+					module: "my-bootclasspath-fragment",
+				},
 			],
 		}
 `,
@@ -283,7 +293,8 @@ func TestPlatformBootclasspathDependencies(t *testing.T) {
 	})
 
 	java.CheckPlatformBootclasspathFragments(t, result, "myplatform-bootclasspath", []string{
-		`com.android.art:art-bootclasspath-fragment`,
+		"com.android.art:art-bootclasspath-fragment",
+		"myapex:my-bootclasspath-fragment",
 	})
 
 	// Make sure that the myplatform-bootclasspath has the correct dependencies.
@@ -307,6 +318,7 @@ func TestPlatformBootclasspathDependencies(t *testing.T) {
 
 		// The fragments.
 		`com.android.art:art-bootclasspath-fragment`,
+		`myapex:my-bootclasspath-fragment`,
 	})
 }
 
@@ -410,6 +422,12 @@ func TestPlatformBootclasspath_AlwaysUsePrebuiltSdks(t *testing.T) {
 
 		platform_bootclasspath {
 			name: "myplatform-bootclasspath",
+			fragments: [
+				{
+					apex: "myapex",
+					module:"mybootclasspath-fragment",
+				},
+			],
 		}
 `,
 	)
@@ -431,7 +449,7 @@ func TestPlatformBootclasspath_AlwaysUsePrebuiltSdks(t *testing.T) {
 		"platform:legacy.core.platform.api.stubs",
 
 		// Needed for generating the boot image.
-		`platform:dex2oatd`,
+		"platform:dex2oatd",
 
 		// The platform_bootclasspath intentionally adds dependencies on both source and prebuilt
 		// modules when available as it does not know which one will be preferred.
@@ -442,6 +460,9 @@ func TestPlatformBootclasspath_AlwaysUsePrebuiltSdks(t *testing.T) {
 
 		// Only a source module exists.
 		"myapex:bar",
+
+		// The fragments.
+		"myapex:mybootclasspath-fragment",
 	})
 }