Add stable experiment IDs for Android NTP finch trials.

chrome/common/metrics/variations/variation_ids.h

Index: chrome/common/metrics/variations/variation_ids.h
diff --git a/chrome/common/metrics/variations/variation_ids.h b/chrome/common/metrics/variations/variation_ids.h
index 80957df72cb6f6518810f4edb4681e2620215292..50b5501162fa87fff056a5e7b6c047edce21b185 100644
--- a/chrome/common/metrics/variations/variation_ids.h
+++ b/chrome/common/metrics/variations/variation_ids.h
@@ -235,18 +235,24 @@ enum ReservedVariationID {
   QUIC_FIELD_TRIAL_ID_MAX = 3311920,
 
   // Android Native NTP trial.
-  // Range: 3311921 - 3311930
-  ANDROID_NATIVE_NTP_CONTROL_0 = 3311921,
-  ANDROID_NATIVE_NTP_CONTROL_1 = 3311922,
-  ANDROID_NATIVE_NTP_TWO_URL_BARS = 3311923,
-  ANDROID_NATIVE_NTP_ONE_URL_BAR = 3311924,
-  ANDROID_TABLET_NATIVE_NTP_CONTROL = 3311925,
-  ANDROID_TABLET_NATIVE_NTP_ONE_URL_BAR = 3311926,
+  // Range: 3311921 - 3311940
+  ANDROID_DEV_BETA_NATIVE_NTP_CONTROL_0 = 3311921,
+  ANDROID_DEV_BETA_NATIVE_NTP_CONTROL_1 = 3311922,
+  ANDROID_DEV_BETA_NATIVE_NTP_TWO_URL_BARS = 3311923,
+  ANDROID_DEV_BETA_NATIVE_NTP_ONE_URL_BAR = 3311924,
+  ANDROID_DEV_BETA_TABLET_NATIVE_NTP_CONTROL = 3311925,
+  ANDROID_DEV_BETA_TABLET_NATIVE_NTP_ONE_URL_BAR = 3311926,
+  ANDROID_STABLE_NATIVE_NTP_CONTROL_0 = 3311927,
+  ANDROID_STABLE_NATIVE_NTP_CONTROL_1 = 3311928,
+  ANDROID_STABLE_NATIVE_NTP_TWO_URL_BARS = 3311929,
+  ANDROID_STABLE_NATIVE_NTP_ONE_URL_BAR = 3311930,
+  ANDROID_STABLE_TABLET_NATIVE_NTP_CONTROL = 3311931,
+  ANDROID_STABLE_TABLET_NATIVE_NTP_ONE_URL_BAR = 3311932,
 
   // NEXT ID: When adding new IDs, please add them above this section, starting
   // with the value of NEXT_ID, and updating NEXT_ID to (end of your reserved
   // range) + 1.
-  NEXT_ID = 3311931,
+  NEXT_ID = 3311941,
 
   // USABLE IDs END HERE.
   //