Fix FIS private path (#5919)

FirebaseCrashlytics.podspec

@@ -25,7 +25,7 @@ Pod::Spec.new do |s|
     'Crashlytics/Shared/**/*.{c,h,m,mm}',
     'Crashlytics/third_party/**/*.{c,h,m,mm}',
     'FirebaseCore/Sources/Private/*.h',
-    'FirebaseInstallations/Source/Private/*.h',
+    'FirebaseInstallations/Source/Library/Private/*.h',
     'GoogleDataTransport/GDTCORLibrary/Internal/*.h',
     'Interop/Analytics/Public/*.h',
   ]

FirebaseInAppMessaging.podspec

@@ -28,7 +28,7 @@ See more product details at https://firebase.google.com/products/in-app-messagin
     base_dir + "Sources/**/*.[cmh]",
     'Interop/Analytics/Public/*.h',
     'FirebaseCore/Sources/Private/*.h',
-    'FirebaseInstallations/Source/Private/*.h',
+    'FirebaseInstallations/Source/Library/Private/*.h',
     'GoogleUtilities/Environment/Private/*.h',
   ]
   s.public_header_files = base_dir + 'Sources/Public/*.h'

FirebaseInstanceID.podspec

@@ -31,7 +31,7 @@ services.
   s.source_files = [
     base_dir + '**/*.[mh]',
     'FirebaseCore/Sources/Private/*.h',
-    'FirebaseInstallations/Source/Private/*.h',
+    'FirebaseInstallations/Source/Library/Private/*.h',
     'GoogleUtilities/Environment/Private/*.h',
     'GoogleUtilities/UserDefaults/Private/*.h',
   ]

FirebaseMessaging.podspec

@@ -33,7 +33,7 @@ device, and it is completely free.
     base_dir + 'Sources/**/*.[mh]',
     'Interop/Analytics/Public/*.h',
     'FirebaseCore/Sources/Private/*.h',
-    'FirebaseInstallations/Source/Private/*.h',
+    'FirebaseInstallations/Source/Library/Private/*.h',
     'GoogleUtilities/AppDelegateSwizzler/Private/*.h',
     'GoogleUtilities/Environment/Private/*.h',
     'GoogleUtilities/Reachability/Private/*.h',

FirebaseRemoteConfig.podspec

@@ -31,7 +31,7 @@ app update.
     base_dir + '**/*.[mh]',
     'Interop/Analytics/Public/*.h',
     'FirebaseCore/Sources/Private/*.h',
-    'FirebaseInstallations/Source/Private/*.h',
+    'FirebaseInstallations/Source/Library/Private/*.h',
     'GoogleUtilities/Environment/Private/*.h',
     'GoogleUtilities/NSData+zlib/Private/*.h',
   ]