Apps can request permissions only on platforms that have runtime permissions.

Change-Id: Id0e53c37c9d472287f5bd6a610d446aef6b695b9

core/java/android/content/pm/PackageParser.java

@@ -1487,7 +1487,11 @@ public class PackageParser {
                     return null;
                 }
             } else if (tagName.equals("uses-permission")) {
-                if (!parseUsesPermission(pkg, res, parser, attrs, outError)) {
+                if (!parseUsesPermission(pkg, res, parser, attrs)) {
+                    return null;
+                }
+            } else if (tagName.equals("uses-permission-sdk-m")) {
+                if (!parseUsesPermission(pkg, res, parser, attrs)) {
                     return null;
                 }
             } else if (tagName.equals("uses-configuration")) {
@@ -1887,8 +1891,7 @@ public class PackageParser {
     }
 
     private boolean parseUsesPermission(Package pkg, Resources res, XmlResourceParser parser,
-                                        AttributeSet attrs, String[] outError)
-            throws XmlPullParserException, IOException {
+            AttributeSet attrs) throws XmlPullParserException, IOException {
         TypedArray sa = res.obtainAttributes(attrs,
                 com.android.internal.R.styleable.AndroidManifestUsesPermission);
 
@@ -1914,8 +1917,9 @@ public class PackageParser {
                 if (index == -1) {
                     pkg.requestedPermissions.add(name.intern());
                 } else {
-                    Slog.w(TAG, "Ignoring duplicate uses-permission: " + name + " in package: "
-                            + pkg.packageName + " at: " + parser.getPositionDescription());
+                    Slog.w(TAG, "Ignoring duplicate uses-permissions/uses-permissions-sdk-m: "
+                            + name + " in package: " + pkg.packageName + " at: "
+                            + parser.getPositionDescription());
                 }
             }
         }

core/res/res/values/attrs_manifest.xml

@@ -1269,8 +1269,13 @@
     
     <!-- The <code>uses-permission</code> tag requests a
          {@link #AndroidManifestPermission &lt;permission&gt;} that the containing
-         package must be granted in order for it to operate correctly.
-         See the <a href="{@docRoot}guide/topics/security/security.html">Security and Permissions</a>
+         package must be granted in order for it to operate correctly. For runtime
+         permissions, i.e. ones with <code>dangerous</code> protection level, on a
+         platform that supports runtime permissions, the permission will not be
+         granted until the app explicitly requests it at runtime and the user approves
+         the grant. You cannot request at runtime permissions that are not declared
+         as used in the manifest. See the
+         <a href="{@docRoot}guide/topics/security/security.html">Security and Permissions</a>
          document for more information on permissions.  Also available is a
          {@link android.Manifest.permission list of permissions} included
          with the base platform.
@@ -1289,14 +1294,6 @@
              of Android higher than the number given here, the permission will not
              be requested.  -->
         <attr name="maxSdkVersion" format="integer" />
-        <!--  Specify whether this permission is required for the application.
-              The default is true, meaning the application requires the
-              permission, and it must always be granted when it is installed.
-              If you set this to false, then in some cases the application may
-              be installed with it being granted the permission, and it will
-              need to request the permission later if it needs it.
-        <attr name="required" format="boolean" />
-        -->
     </declare-styleable>
 
     <!-- The <code>uses-configuration</code> tag specifies