Convert NewProvider/NewMutatorProvider to generic providers API

Convert all of the callers to NewProvider and NewMutatorProvider
to use a generic type parameter instead of an example object.

Bug: 316410648
Test: builds
Change-Id: Ic9cdafc87336e26730d3fd596df05de0e7267542
diff --git a/java/aar.go b/java/aar.go
index aca73aa..bb24f2d 100644
--- a/java/aar.go
+++ b/java/aar.go
@@ -1069,7 +1069,7 @@
 	JniPackages android.Paths
 }
 
-var JniPackageProvider = blueprint.NewProvider(JniPackageInfo{})
+var JniPackageProvider = blueprint.NewProvider[JniPackageInfo]()
 
 // Unzip an AAR and extract the JNI libs for $archString.
 var extractJNI = pctx.AndroidStaticRule("extractJNI",