Add Debounce text to ACTION_NETWORK_COUNTRY_CHANGE

Explain that once a country signal is lost, the broadcast
will be delayed for some time until we are confident that
we have lost visibility to any country (unless we detect
a new country).

Bug: 136036974
Test: make offline-sdk-docs (docstring-only change)
Change-Id: I29536ca2d60968405bb476a97dfbda69487c0013

parent 366a6e99

telephony/java/android/telephony/TelephonyManager.java

+2 −0

Original line number	Diff line number	Diff line
		@@ -11001,6 +11001,8 @@ public class TelephonyManager {
		* The {@link #EXTRA_NETWORK_COUNTRY} extra indicates the country code of the current
		* network returned by {@link #getNetworkCountryIso()}.
		*
		* <p>There may be a delay of several minutes before reporting that no country is detected.
		*
		* @see #EXTRA_NETWORK_COUNTRY
		* @see #getNetworkCountryIso()
		*/