CDD: Tighten SR to MUST for HOT GNSS TTFF to 5 sec to keep consistency with
CTS

-  Fix the number and update SR to MUST to align with CTS test.

Bug: 74593141
Test: All existing test passes.
Change-Id: I126b297b2c7316538d26932c67d52081689a8d4a
diff --git a/7_hardware-compatibility/7_3_sensors.md b/7_hardware-compatibility/7_3_sensors.md
index 8da2e19..ffcbc2f 100644
--- a/7_hardware-compatibility/7_3_sensors.md
+++ b/7_hardware-compatibility/7_3_sensors.md
@@ -203,12 +203,11 @@
     form of Assisted or Predicted GPS/GNSS technique
     to minimize GPS/GNSS lock-on time (Assistance data includes Reference Time,
     Reference Location and Satellite Ephemeris/Clock).
-       * [SR] After making such a location calculation, it is
-         STRONGLY RECOMMENDED for the device to
-         be able to determine its location, in open sky, within 10 seconds,
-         when location requests are restarted, up to an hour after the initial
-         location calculation, even when the subsequent request is made without
-         a data connection, and/or after a power cycle.
+       * [C-1-6] After making such a location calculation, device
+         implementations MUST determine its location, in open sky, within
+         5 seconds, when location requests are restarted, up to an hour after
+         the initial location calculation, even when the subsequent request is
+         made without a data connection, and/or after a power cycle.
 *   In open sky conditions after determining the location, while stationary or
     moving with less than 1 meter per second squared of acceleration: