Telemetry: Build symfs for Android VTune profiler

tools/telemetry/telemetry/core/platform/profiler/android_profiling_helper.py

Index: tools/telemetry/telemetry/core/platform/profiler/android_profiling_helper.py
diff --git a/tools/telemetry/telemetry/core/platform/profiler/android_profiling_helper.py b/tools/telemetry/telemetry/core/platform/profiler/android_profiling_helper.py
index f2e21440385eb434bb870307841356d9be3dcbbc..bb9228f9b38f79a45af78dad12a49320a14e32c4 100644
--- a/tools/telemetry/telemetry/core/platform/profiler/android_profiling_helper.py
+++ b/tools/telemetry/telemetry/core/platform/profiler/android_profiling_helper.py
@@ -11,6 +11,11 @@ import re
 import shutil
 import subprocess
 
+try:
+  import sqlite3
+except ImportError:
+  sqlite3 = None
+
 from telemetry.core import util
 from telemetry.core.platform.profiler import android_prebuilt_profiler_helper
 
@@ -109,6 +114,27 @@ def GetRequiredLibrariesForPerfProfile(profile_file):
   return libs
 
 
+def GetRequiredLibrariesForVTuneProfile(profile_file):
+  """Returns the set of libraries necessary to symbolize a given VTune profile.
+
+  Args:
+    profile_file: Path to VTune profile to analyse.
+
+  Returns:
+    A set of required library file names.
+  """
+  db_file = os.path.join(profile_file, 'sqlite-db', 'dicer.db')
+  conn = sqlite3.connect(db_file)
+
+  try:
+    # The 'dd_module_file' table lists all libraries on the device. Only the
+    # ones with 'bin_located_path' are needed for the profile.
+    query = 'SELECT bin_path, bin_located_path FROM dd_module_file'
+    return set(row[0] for row in conn.cursor().execute(query) if row[1])
+  finally:
+    conn.close()
+
+
 def CreateSymFs(device, symfs_dir, libraries, use_symlinks=True):
   """Creates a symfs directory to be used for symbolizing profiles.