Update location app stats

- Count apps in both primary and work profiles
- Show the number of any location permitted app instead of background
  allowed apps on Location settings page
- Update the text at the top-level settings page

Bug: 129296799
Bug: 129358133
Bug: 129358508
Bug: 131432116
Test: build, flash, and test manually
Change-Id: I1a4284257a8a284140b81685efc98a2cc4a74619

tests/robotests/src/com/android/settings/location/AppLocationPermissionPreferenceControllerTest.java

@@ -76,7 +76,7 @@ public class AppLocationPermissionPreferenceControllerTest {
     @Test
     public void getSummary_whenLocationAppCountIsOne_shouldShowSingularString() {
         mLocationManager.setLocationEnabledForUser(true, android.os.Process.myUserHandle());
-        mController.mNumBackground = 1;
+        mController.mNumHasLocation = 1;
         mController.mNumTotal = 1;
 
         assertThat(mController.getSummary()).isEqualTo(mContext.getResources().getQuantityString(
@@ -86,7 +86,7 @@ public class AppLocationPermissionPreferenceControllerTest {
     @Test
     public void getSummary_whenLocationAppCountIsGreaterThanOne_shouldShowPluralString() {
         mLocationManager.setLocationEnabledForUser(true, android.os.Process.myUserHandle());
-        mController.mNumBackground = 5;
+        mController.mNumHasLocation = 5;
         mController.mNumTotal = 10;
 
         assertThat(mController.getSummary()).isEqualTo(mContext.getResources().getQuantityString(