fix incoming call audio start time.

commit cec4abb fixing issue 6720482 had a flaw that
would insert commmands at the wrong position in the
audio policy service command thread queue causing other
commands to be delayed more than expected.

A change in track stop timing introduced by commit bfb1b83
made this issue visible when answering a call.

Bug: 10860012.
Change-Id: Iec769112f14e13d13b64628b808e43663e33771c
diff --git a/services/audioflinger/AudioPolicyService.cpp b/services/audioflinger/AudioPolicyService.cpp
index 4be292f..35e816b 100644
--- a/services/audioflinger/AudioPolicyService.cpp
+++ b/services/audioflinger/AudioPolicyService.cpp
@@ -975,7 +975,6 @@
 {
     ssize_t i;  // not size_t because i will count down to -1
     Vector <AudioCommand *> removedCommands;
-    nsecs_t time = 0;
     command->mTime = systemTime() + milliseconds(delayMs);
 
     // acquire wake lock to make sure delayed commands are processed
@@ -1021,7 +1020,10 @@
             } else {
                 data2->mKeyValuePairs = param2.toString();
             }
-            time = command2->mTime;
+            command->mTime = command2->mTime;
+            // force delayMs to non 0 so that code below does not request to wait for
+            // command status as the command is now delayed
+            delayMs = 1;
         } break;
 
         case SET_VOLUME: {
@@ -1032,7 +1034,10 @@
             ALOGV("Filtering out volume command on output %d for stream %d",
                     data->mIO, data->mStream);
             removedCommands.add(command2);
-            time = command2->mTime;
+            command->mTime = command2->mTime;
+            // force delayMs to non 0 so that code below does not request to wait for
+            // command status as the command is now delayed
+            delayMs = 1;
         } break;
         case START_TONE:
         case STOP_TONE:
@@ -1054,16 +1059,12 @@
     }
     removedCommands.clear();
 
-    // wait for status only if delay is 0 and command time was not modified above
-    if (delayMs == 0 && time == 0) {
+    // wait for status only if delay is 0
+    if (delayMs == 0) {
         command->mWaitStatus = true;
     } else {
         command->mWaitStatus = false;
     }
-    // update command time if modified above
-    if (time != 0) {
-        command->mTime = time;
-    }
 
     // insert command at the right place according to its time stamp
     ALOGV("inserting command: %d at index %d, num commands %d",