Grammar fixes.

Change-Id: I77672d2260c26aee146bb6a853137c14e3db1f28

core/java/android/content/pm/PackageManager.java

@@ -233,7 +233,7 @@ public abstract class PackageManager {
     /**
      * Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to
      * indicate that this package should be installed as forward locked, i.e. only the app itself
-     * should have access to it's code and non-resource assets.
+     * should have access to its code and non-resource assets.
      * @hide
      */
     public static final int INSTALL_FORWARD_LOCK = 0x00000001;

core/java/android/os/storage/IMountService.aidl

@@ -84,7 +84,7 @@ interface IMountService
     int[] getStorageUsers(String path);
 
     /**
-     * Gets the state of an volume via it's mountpoint.
+     * Gets the state of a volume via its mountpoint.
      */
     String getVolumeState(String mountPoint);
 

telephony/java/com/android/internal/telephony/IccCard.java

@@ -202,7 +202,7 @@ public abstract class IccCard {
     /**
      * Supply the ICC PIN to the ICC
      *
-     * When the operation is complete, onComplete will be sent to it's
+     * When the operation is complete, onComplete will be sent to its
      * Handler.
      *
      * onComplete.obj will be an AsyncResult