fs_mgr: Suppress SkipMountingPartitions log in ReadFstabFromFile

Minor refactoring and renaming, goal is to make the follow-up patch
easier to read.

Bug: 184132970
Test: Presubmit
Change-Id: I66416161b30ac310934d901cbaf11bc926e2cbf7
diff --git a/init/first_stage_mount.cpp b/init/first_stage_mount.cpp
index a11bb28..3faf430 100644
--- a/init/first_stage_mount.cpp
+++ b/init/first_stage_mount.cpp
@@ -97,7 +97,6 @@
 
     bool MountPartitions();
     bool TrySwitchSystemAsRoot();
-    bool TrySkipMountingPartitions();
     bool IsDmLinearEnabled();
     void GetSuperDeviceName(std::set<std::string>* devices);
     bool InitDmLinearBackingDevices(const android::fs_mgr::LpMetadata& metadata);
@@ -534,7 +533,7 @@
 bool FirstStageMount::MountPartitions() {
     if (!TrySwitchSystemAsRoot()) return false;
 
-    if (!SkipMountingPartitions(&fstab_)) return false;
+    if (!SkipMountingPartitions(&fstab_, true /* verbose */)) return false;
 
     for (auto current = fstab_.begin(); current != fstab_.end();) {
         // We've already mounted /system above.
diff --git a/init/selinux.cpp b/init/selinux.cpp
index 62c4586..2d3e06e 100644
--- a/init/selinux.cpp
+++ b/init/selinux.cpp
@@ -658,7 +658,7 @@
         extra_fstab.emplace_back(std::move(entry));
     }
 
-    SkipMountingPartitions(&extra_fstab);
+    SkipMountingPartitions(&extra_fstab, true /* verbose */);
     if (extra_fstab.empty()) {
         return;
     }