Don't modify -1 sensorHandle value

A -1 sensorHandle value is used to denote all active sensors should be
stopped for a given channel. Make sure the multi-HAL code doesn't modify
handles of this value or it'll corrupt them before passing to the direct
channel sub-HAL.

Bug: 153413565
Test: atest VtsHalSensorsV2_0Target
Change-Id: I3fe9cbf4661aa3db4ff534765d5112a193b7bf4a
diff --git a/sensors/common/default/2.X/multihal/HalProxy.cpp b/sensors/common/default/2.X/multihal/HalProxy.cpp
index 518e138..869c033 100644
--- a/sensors/common/default/2.X/multihal/HalProxy.cpp
+++ b/sensors/common/default/2.X/multihal/HalProxy.cpp
@@ -260,9 +260,14 @@
                                           RateLevel rate, configDirectReport_cb _hidl_cb) {
     if (mDirectChannelSubHal == nullptr) {
         _hidl_cb(Result::INVALID_OPERATION, -1 /* reportToken */);
+    } else if (sensorHandle == -1 && rate != RateLevel::STOP) {
+        _hidl_cb(Result::BAD_VALUE, -1 /* reportToken */);
     } else {
-        mDirectChannelSubHal->configDirectReport(clearSubHalIndex(sensorHandle), channelHandle,
-                                                 rate, _hidl_cb);
+        // -1 denotes all sensors should be disabled
+        if (sensorHandle != -1) {
+            sensorHandle = clearSubHalIndex(sensorHandle);
+        }
+        mDirectChannelSubHal->configDirectReport(sensorHandle, channelHandle, rate, _hidl_cb);
     }
     return Return<void>();
 }