Rename BootImageInfo to BootclasspathFragmentApexContentInfo

Currently, it only contains ART boot image related information, i.e.
.art, .oat and .vdex files. However, follow up changes will extend that
to include other information from bootclasspath_fragment.

Bug: 177892522
Test: m nothing
Change-Id: I2b226131c0eccff0c739a18f265f90caa10a91d9
diff --git a/java/bootclasspath_fragment.go b/java/bootclasspath_fragment.go
index 619d47f..00d4659 100644
--- a/java/bootclasspath_fragment.go
+++ b/java/bootclasspath_fragment.go
@@ -165,24 +165,26 @@
 	}
 }
 
-var BootImageInfoProvider = blueprint.NewProvider(BootImageInfo{})
+var BootclasspathFragmentApexContentInfoProvider = blueprint.NewProvider(BootclasspathFragmentApexContentInfo{})
 
-type BootImageInfo struct {
+// BootclasspathFragmentApexContentInfo contains the bootclasspath_fragments contributions to the
+// apex contents.
+type BootclasspathFragmentApexContentInfo struct {
 	// The image config, internal to this module (and the dex_bootjars singleton).
 	//
-	// Will be nil if the BootImageInfo has not been provided for a specific module. That can occur
+	// Will be nil if the BootclasspathFragmentApexContentInfo has not been provided for a specific module. That can occur
 	// when SkipDexpreoptBootJars(ctx) returns true.
 	imageConfig *bootImageConfig
 }
 
-func (i BootImageInfo) Modules() android.ConfiguredJarList {
+func (i BootclasspathFragmentApexContentInfo) Modules() android.ConfiguredJarList {
 	return i.imageConfig.modules
 }
 
 // Get a map from ArchType to the associated boot image's contents for Android.
 //
 // Extension boot images only return their own files, not the files of the boot images they extend.
-func (i BootImageInfo) AndroidBootImageFilesByArchType() map[android.ArchType]android.OutputPaths {
+func (i BootclasspathFragmentApexContentInfo) AndroidBootImageFilesByArchType() map[android.ArchType]android.OutputPaths {
 	files := map[android.ArchType]android.OutputPaths{}
 	if i.imageConfig != nil {
 		for _, variant := range i.imageConfig.variants {
@@ -264,10 +266,10 @@
 	}
 
 	// Construct the boot image info from the config.
-	info := BootImageInfo{imageConfig: imageConfig}
+	info := BootclasspathFragmentApexContentInfo{imageConfig: imageConfig}
 
 	// Make it available for other modules.
-	ctx.SetProvider(BootImageInfoProvider, info)
+	ctx.SetProvider(BootclasspathFragmentApexContentInfoProvider, info)
 }
 
 func (b *BootclasspathFragmentModule) getImageConfig(ctx android.EarlyModuleContext) *bootImageConfig {