Support CDMA emergency callback. (1/2)

1. Update emergency callback mode notification icon and update creation of
the notification to use a builder.
2. For CDMA calls, if phone is in ECM mode, disable mute in the
Connection PhoneCapabilities.

Bug: 16182748
Change-Id: I698eb7d377346467fc4b87a0bec53d89f96797b1

1 files changed, 12 insertions, 2 deletions

diff --git a/src/com/android/services/telephony/CdmaConnection.java b/src/com/android/services/telephony/CdmaConnection.java
index f13676a11..67104b59f 100644
--- a/src/com/android/services/telephony/CdmaConnection.java
+++ b/src/com/android/services/telephony/CdmaConnection.java
@@ -24,8 +24,15 @@ import com.android.internal.telephony.Connection;
  * Manages a single phone call handled by CDMA.
  */
 final class CdmaConnection extends TelephonyConnection {
-    CdmaConnection(Connection connection) {
+
+    /**
+     * {@code True} if the CDMA connection should allow mute.
+     */
+    private final boolean mAllowMute;
+
+    CdmaConnection(Connection connection, boolean allowMute) {
         super(connection);
+        mAllowMute = allowMute;
     }
 
     /** {@inheritDoc} */
@@ -49,7 +56,10 @@ final class CdmaConnection extends TelephonyConnection {
 
     @Override
     protected int buildCallCapabilities() {
-        int capabilities = PhoneCapabilities.MUTE;
+        int capabilities = 0;
+        if (mAllowMute) {
+            capabilities = PhoneCapabilities.MUTE;
+        }
         return capabilities;
     }
 }