Specify temp-allowlist reasonCode while calling setPendingIntentAllowlistDuration().

Delete the overloaded version of setPendingIntentAllowlistDuration() without reasonCode.

Bug: 171305836
Test: atest cts/tests/app/src/android/app/cts/ActivityManagerFgsBgStartTest.java
Reboot device, observe "tempAllowListReason" in logcat.

Change-Id: Ib8bd22eefb5d5f308d2bcca17221499c2a6adc79