Add missing function to telephony HIDL interface.

+ fix some comments as per specs.

Test: No test
Bug: 32020264
Change-Id: If8e83a7465e608e28f7e149025da5ede30924602
diff --git a/radio/1.0/IRadio.hal b/radio/1.0/IRadio.hal
index f29b916..62bc840 100644
--- a/radio/1.0/IRadio.hal
+++ b/radio/1.0/IRadio.hal
@@ -382,7 +382,7 @@
      *        override the one in the profile. empty string indicates no APN overrride.
      * @param user is the username for APN, or empty string
      * @param password is the password for APN, or empty string
-     * @param authType is the PAP / CHAP auth type. Values:
+     * @param authType is the PAP / CHAP auth type.
      * @param protocol is the connection type to request must be one of the
      *        PDP_type values in TS 27.007 section 10.1.1.
      *        For example, "IP", "IPV6", "IPV4V6", or "PPP".
@@ -1272,7 +1272,7 @@
      * @param protocol is the connection type to request must be one of the
      *        PDP_type values in TS 27.007 section 10.1.1.
      *        For example, "IP", "IPV6", "IPV4V6", or "PPP".
-     * @param authType is the PAP / CHAP auth type. Values:
+     * @param authType is the PAP / CHAP auth type.
      * @param user is the username for APN, or empty string
      * @param password is the password for APN, or empty string
      *