DO NOT MERGE: Tune up kMaxStopCompleteWaitMs to fix NE am: bf8f310071

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1507216

Change-Id: I969109793122417e0091b24c84c5b6fe90bca6d0
diff --git a/wifi/1.4/default/wifi_legacy_hal.cpp b/wifi/1.4/default/wifi_legacy_hal.cpp
index 29123bf..d7a5d6c 100644
--- a/wifi/1.4/default/wifi_legacy_hal.cpp
+++ b/wifi/1.4/default/wifi_legacy_hal.cpp
@@ -36,7 +36,7 @@
 static constexpr uint32_t kLinkLayerStatsDataMpduSizeThreshold = 128;
 static constexpr uint32_t kMaxWakeReasonStatsArraySize = 32;
 static constexpr uint32_t kMaxRingBuffers = 10;
-static constexpr uint32_t kMaxStopCompleteWaitMs = 100;
+static constexpr uint32_t kMaxStopCompleteWaitMs = 300;
 static constexpr char kDriverPropName[] = "wlan.driver.status";
 
 // Helper function to create a non-const char* for legacy Hal API's.