M81 FIS cherry pick of #6570 (#6616)

* FIS: Additional FIRInstallationsItem validation (#6570)

* FIS API tests for no FID in response

* FIRInstallationsIDControllerTests: test names

* FIRInstallationsIDControllerTests: corrupted storage tests

* FIRInstallationsItem validation

* Fix FIRInstallationsItem.IIDDefaultToken copy

* Improve error description.

* FIRInstallationsItem validation error

* FIRInstallationsItem validation tests

* ./scripts/style.sh

* FIRInstallationsIDController: validate stored installation

* FIRInstallationsAPIService installation validation

* Changelog

* Update versions

* patch version

* release manifest

FirebaseInstallations.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'FirebaseInstallations'
-  s.version          = '1.7.0'
+  s.version          = '1.7.1'
   s.summary          = 'Firebase Installations'
 
   s.description      = <<-DESC

FirebaseInstallations/CHANGELOG.md

@@ -1,4 +1,4 @@
-# v1.7.1 -- Unreleased
+# v1.7.1 -- M81
 - [changed] Additional `FIRInstallationsItem` validation to catch potential storage issues. (#6570)
 
 # v1.7.0 -- M78

Releases/Manifests/6.34.0.json

@@ -4,6 +4,7 @@
   "FirebaseCrashlytics" : "4.6.2",
   "FirebaseFirestore" : "1.19.0",
   "FirebaseInstanceID" : "4.8.0",
+  "FirebaseInstallations" : "1.7.1",
   "FirebaseMessaging" : "4.7.1",
   "FirebaseRemoteConfig" : "4.9.1",
   "FirebaseStorage" : "3.9.1",