wifi: extending framework restart waiting time

10s is not enough for low-end devices, extending waiting time to
avoid false alarm for low-end devices.

Bug: 201184673
Test: atest VtsHalWifiSupplicantP2pV1_4TargetTest
Change-Id: I9baa53a462b97738e6dc471cf06c2b9230b92c1c
(cherry picked from commit ef3f77f831445a75636b8dfb2ef4ca29db2d64e5)
diff --git a/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.cpp b/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.cpp
index 8cb7e22..114fe4f 100644
--- a/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.cpp
+++ b/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.cpp
@@ -317,7 +317,7 @@
 }
 
 bool waitForFrameworkReady() {
-    int waitCount = 10;
+    int waitCount = 15;
     do {
         // Check whether package service is ready or not.
         if (!testing::checkSubstringInCommandOutput(