PhoneWindowManager: allow volume keys in VoIP calls and screen off

Apply the same rule for volume keys during VoIP calls as during
PSTN calls allowing to change call volume when when the screen
is off.

Bug: 37571875
Test: Check volume keys work in Hangouts. Check regressions for music
and PSTN call volume

Change-Id: I2d5c654af47ade99ff4cb326e54e734087f5e8ae
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index 6aff600..e1c90d7 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -5960,15 +5960,23 @@
                             result &= ~ACTION_PASS_TO_USER;
                             break;
                         }
-                        if (telecomManager.isInCall()
-                                && (result & ACTION_PASS_TO_USER) == 0) {
-                            // If we are in call but we decided not to pass the key to
-                            // the application, just pass it to the session service.
-                            MediaSessionLegacyHelper.getHelper(mContext).sendVolumeKeyEvent(
-                                    event, AudioManager.USE_DEFAULT_STREAM_TYPE, false);
-                            break;
-                        }
                     }
+                    int audioMode = AudioManager.MODE_NORMAL;
+                    try {
+                        audioMode = getAudioService().getMode();
+                    } catch (Exception e) {
+                        Log.e(TAG, "Error getting AudioService in interceptKeyBeforeQueueing.", e);
+                    }
+                    boolean isInCall = (telecomManager != null && telecomManager.isInCall()) ||
+                            audioMode == AudioManager.MODE_IN_COMMUNICATION;
+                    if (isInCall && (result & ACTION_PASS_TO_USER) == 0) {
+                        // If we are in call but we decided not to pass the key to
+                        // the application, just pass it to the session service.
+                        MediaSessionLegacyHelper.getHelper(mContext).sendVolumeKeyEvent(
+                                event, AudioManager.USE_DEFAULT_STREAM_TYPE, false);
+                        break;
+                    }
+
                 }
                 if (mUseTvRouting || mHandleVolumeKeysInWM) {
                     // Defer special key handlings to
@@ -6313,7 +6321,7 @@
                 try {
                     getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
                             AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
-                } catch (RemoteException e) {
+                } catch (Exception e) {
                     Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
                 }
                 break;
@@ -6321,7 +6329,7 @@
                 try {
                     getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
                             AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
-                } catch (RemoteException e) {
+                } catch (Exception e) {
                     Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
                 }
                 break;
@@ -6332,7 +6340,7 @@
                                 AudioManager.ADJUST_TOGGLE_MUTE,
                                 AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
                     }
-                } catch (RemoteException e) {
+                } catch (Exception e) {
                     Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
                 }
                 break;