[Autofill Assistant] Cleanup of unit tests.

The privacy notice is no longer required, removing it from tests where
it was only added due to this requirement.

Add new test for empty card network to make sure we don't exclude all
cards in this case.

Bug: b/146126954
Bug: b/146424039
Change-Id: I35ae536c00d8774efac23eb4a586fa53f472642a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1975911Reviewed-by: Clemens Arbesser <arbesser@google.com>
Commit-Queue: Sandro Maggi <sandromaggi@google.com>
Cr-Commit-Position: refs/heads/master@{#726349}

chrome/android/features/autofill_assistant/javatests/src/org/chromium/chrome/browser/autofill_assistant/AutofillAssistantPersonalDataManagerTest.java

@@ -101,7 +101,6 @@ public class AutofillAssistantPersonalDataManagerTest {
                                                                    .setRequestPayerName(true)
                                                                    .setRequestPayerEmail(true)
                                                                    .setRequestPayerPhone(false))
-                                        .setPrivacyNoticeText("3rd party privacy text")
                                         .setRequestTermsAndConditions(false))
                         .build());
         list.add((ActionProto) ActionProto.newBuilder()
@@ -178,7 +177,6 @@ public class AutofillAssistantPersonalDataManagerTest {
                                                                    .setRequestPayerName(true)
                                                                    .setRequestPayerEmail(true)
                                                                    .setRequestPayerPhone(false))
-                                        .setPrivacyNoticeText("3rd party privacy text")
                                         .setRequestTermsAndConditions(false))
                         .build());
         list.add(
@@ -235,7 +233,6 @@ public class AutofillAssistantPersonalDataManagerTest {
                                                                    .setRequestPayerName(true)
                                                                    .setRequestPayerEmail(true)
                                                                    .setRequestPayerPhone(false))
-                                        .setPrivacyNoticeText("3rd party privacy text")
                                         .setRequestTermsAndConditions(false))
                         .build());
         list.add(
@@ -298,7 +295,6 @@ public class AutofillAssistantPersonalDataManagerTest {
                                                                    .setRequestPayerName(true)
                                                                    .setRequestPayerEmail(true)
                                                                    .setRequestPayerPhone(false))
-                                        .setPrivacyNoticeText("3rd party privacy text")
                                         .setRequestTermsAndConditions(false))
                         .build());
         list.add(
@@ -371,7 +367,6 @@ public class AutofillAssistantPersonalDataManagerTest {
                          .setCollectUserData(CollectUserDataProto.newBuilder()
                                                      .setRequestPaymentMethod(true)
                                                      .addSupportedBasicCardNetworks("visa")
-                                                     .setPrivacyNoticeText("3rd party privacy text")
                                                      .setRequestTermsAndConditions(false))
                          .build());
         // No UseCreditCardAction, that is tested in PaymentTest.
@@ -412,7 +407,6 @@ public class AutofillAssistantPersonalDataManagerTest {
                                          .addSupportedBasicCardNetworks("visa")
                                          .setRequireBillingPostalCode(true)
                                          .setBillingPostalCodeMissingText("Missing Billing Code")
-                                         .setPrivacyNoticeText("3rd party privacy text")
                                          .setRequestTermsAndConditions(false))
                          .build());
         AutofillAssistantTestScript script = new AutofillAssistantTestScript(