Fix CredentialManager for use_resource_processor: true

CredentialManagerShared was using the same Android package name as
CredentialManager-handheld, which caused the R classes to be shadowed
when use_resource_processor: true is enabled.  Use a unique Android
package for CredentialManagerShared.

Bug: 294256649
Test: m javac-check
Change-Id: I07fea5636c6ca8f6752a11ca230e04ee172b140b
diff --git a/packages/CredentialManager/shared/AndroidManifest.xml b/packages/CredentialManager/shared/AndroidManifest.xml
index a460887..51c7fb6 100644
--- a/packages/CredentialManager/shared/AndroidManifest.xml
+++ b/packages/CredentialManager/shared/AndroidManifest.xml
@@ -17,6 +17,6 @@
  */
 -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.android.credentialmanager">
+    package="com.android.credentialmanager.shared">
 
 </manifest>