Instant Apps: Be extra safe with the flag check.

chrome/android/java/src/org/chromium/chrome/browser/instantapps/InstantAppsHandler.java

Index: chrome/android/java/src/org/chromium/chrome/browser/instantapps/InstantAppsHandler.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/instantapps/InstantAppsHandler.java b/chrome/android/java/src/org/chromium/chrome/browser/instantapps/InstantAppsHandler.java
index ea732313084ac4cd21d9590706a2927479c13d20..a4b384a63a9c131715811a568fcc81b6b8a572fc 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/instantapps/InstantAppsHandler.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/instantapps/InstantAppsHandler.java
@@ -225,7 +225,7 @@ public class InstantAppsHandler {
         }
 
         if (IntentUtils.safeGetBooleanExtra(intent, DO_NOT_LAUNCH_EXTRA, false)
-                || ((intent.getFlags() & FLAG_DO_NOT_LAUNCH) != 0)) {
+                || (BuildInfo.isAtLeastO() && (intent.getFlags() & FLAG_DO_NOT_LAUNCH) != 0)) {
             maybeRecordFallbackStats(intent);
             Log.i(TAG, "Not handling with Instant Apps (DO_NOT_LAUNCH_EXTRA)");
             return false;