ModuleInfo: Address API council feedback.

Use CharSequence instead of String for package labels

Bug:123587616
Test: atest ModuleInfoProviderTest
Change-Id: I2ed9712aabad57c7e6325e452aa0caee19476213

api/current.txt

@@ -11306,7 +11306,7 @@ package android.content.pm {
 
   public final class ModuleInfo implements android.os.Parcelable {
     method public int describeContents();
-    method @Nullable public String getName();
+    method @Nullable public CharSequence getName();
     method @Nullable public String getPackageName();
     method public boolean isHidden();
     method public void writeToParcel(android.os.Parcel, int);

core/java/android/content/pm/ModuleInfo.java

@@ -32,7 +32,7 @@ public final class ModuleInfo implements Parcelable {
      // constructor, and writeToParcel.
 
     /** Public name of this module. */
-    private String mName;
+    private CharSequence mName;
 
     /** The package name of this module. */
     private String mPackageName;
@@ -57,13 +57,13 @@ public final class ModuleInfo implements Parcelable {
     }
 
     /** @hide Sets the public name of this module. */
-    public ModuleInfo setName(String name) {
+    public ModuleInfo setName(CharSequence name) {
         mName = name;
         return this;
     }
 
     /** Gets the public name of this module. */
-    public @Nullable String getName() {
+    public @Nullable CharSequence getName() {
         return mName;
     }
 
@@ -123,13 +123,13 @@ public final class ModuleInfo implements Parcelable {
 
     /** Flattens this object into the given {@link Parcel}. */
     public void writeToParcel(Parcel dest, int parcelableFlags) {
-        dest.writeString(mName);
+        dest.writeCharSequence(mName);
         dest.writeString(mPackageName);
         dest.writeBoolean(mHidden);
     }
 
     private ModuleInfo(Parcel source) {
-        mName = source.readString();
+        mName = source.readCharSequence();
         mPackageName = source.readString();
         mHidden = source.readBoolean();
     }

services/core/java/com/android/server/pm/ModuleInfoProvider.java

@@ -138,7 +138,7 @@ public class ModuleInfoProvider {
                 // to dealing with this as we'll now have to listen to all config changes and
                 // regenerate the data if required. Also, is this the right way to parse a resource
                 // reference out of an XML file ?
-                final String moduleName = packageResources.getString(
+                final CharSequence moduleName = packageResources.getText(
                         Integer.parseInt(parser.getAttributeValue(null, "name").substring(1)));
                 final String modulePackageName = XmlUtils.readStringAttribute(parser,
                         "packageName");