Add hashCode() methods to ContextHub classes

Bug: 340880058
Change-Id: I2b598630919b13ba64c190568fac381ee843efa9
Flag: android.chre.flags.fix_api_check
Test: Presubmits
diff --git a/core/java/android/hardware/location/ContextHubInfo.java b/core/java/android/hardware/location/ContextHubInfo.java
index 5012a79..7353d76 100644
--- a/core/java/android/hardware/location/ContextHubInfo.java
+++ b/core/java/android/hardware/location/ContextHubInfo.java
@@ -26,6 +26,7 @@
 import android.util.proto.ProtoOutputStream;
 
 import java.util.Arrays;
+import java.util.Objects;
 
 /**
  * @hide
@@ -370,6 +371,20 @@
         return isEqual;
     }
 
+    @Override
+    public int hashCode() {
+        if (!Flags.fixApiCheck()) {
+            return super.hashCode();
+        }
+
+        return Objects.hash(mId, mName, mVendor, mToolchain, mToolchainVersion,
+                getStaticSwVersion(), mChrePlatformId, mPeakMips,
+                mStoppedPowerDrawMw, mSleepPowerDrawMw, mPeakPowerDrawMw,
+                mMaxPacketLengthBytes, mSupportsReliableMessages,
+                Arrays.hashCode(mSupportedSensors),
+                Arrays.hashCode(mMemoryRegions));
+    }
+
     private ContextHubInfo(Parcel in) {
         mId = in.readInt();
         mName = in.readString();
diff --git a/core/java/android/hardware/location/ContextHubIntentEvent.java b/core/java/android/hardware/location/ContextHubIntentEvent.java
index 06c5334..002c683 100644
--- a/core/java/android/hardware/location/ContextHubIntentEvent.java
+++ b/core/java/android/hardware/location/ContextHubIntentEvent.java
@@ -19,6 +19,7 @@
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
 import android.app.PendingIntent;
+import android.chre.flags.Flags;
 import android.content.Intent;
 
 import java.util.Objects;
@@ -275,6 +276,16 @@
         return isEqual;
     }
 
+    @Override
+    public int hashCode() {
+        if (!Flags.fixApiCheck()) {
+            return super.hashCode();
+        }
+
+        return Objects.hash(mEventType, mContextHubInfo, mNanoAppId,
+                mNanoAppMessage, mNanoAppAbortCode, mClientAuthorizationState);
+    }
+
     private static void hasExtraOrThrow(Intent intent, String extra) {
         if (!intent.hasExtra(extra)) {
             throw new IllegalArgumentException("Intent did not have extra: " + extra);
diff --git a/core/java/android/hardware/location/MemoryRegion.java b/core/java/android/hardware/location/MemoryRegion.java
index c033228..d95894f 100644
--- a/core/java/android/hardware/location/MemoryRegion.java
+++ b/core/java/android/hardware/location/MemoryRegion.java
@@ -19,9 +19,12 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
+import android.chre.flags.Flags;
 import android.os.Parcel;
 import android.os.Parcelable;
 
+import java.util.Objects;
+
 /**
  * @hide
  */
@@ -128,6 +131,16 @@
     }
 
     @Override
+    public int hashCode() {
+        if (!Flags.fixApiCheck()) {
+            return super.hashCode();
+        }
+
+        return Objects.hash(mSizeBytes, mSizeBytesFree, mIsReadable,
+                mIsWritable, mIsExecutable);
+    }
+
+    @Override
     public int describeContents() {
         return 0;
     }
diff --git a/core/java/android/hardware/location/NanoAppMessage.java b/core/java/android/hardware/location/NanoAppMessage.java
index 905caf0..85a5d45 100644
--- a/core/java/android/hardware/location/NanoAppMessage.java
+++ b/core/java/android/hardware/location/NanoAppMessage.java
@@ -26,6 +26,7 @@
 import libcore.util.HexEncoding;
 
 import java.util.Arrays;
+import java.util.Objects;
 
 /**
  * A class describing messages send to or from nanoapps through the Context Hub Service.
@@ -273,4 +274,15 @@
 
         return isEqual;
     }
+
+    @Override
+    public int hashCode() {
+        if (!Flags.fixApiCheck()) {
+            return super.hashCode();
+        }
+
+        return Objects.hash(mNanoAppId, mMessageType, mIsBroadcasted,
+                Arrays.hashCode(mMessageBody), mIsReliable,
+                mMessageSequenceNumber);
+    }
 }