Update build_aar.py after webrtc/ dir was removed.

BUG=chromium:769258
NOTRY=True

Change-Id: Ibdc36b3a962a980460147f907353461d29da628c
Reviewed-on: https://webrtc-review.googlesource.com/4142
Reviewed-by: Edward Lemur <ehmaldonado@webrtc.org>
Commit-Queue: Henrik Kjellander <kjellander@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20001}
diff --git a/tools_webrtc/android/build_aar.py b/tools_webrtc/android/build_aar.py
index cc56abd..958406a 100755
--- a/tools_webrtc/android/build_aar.py
+++ b/tools_webrtc/android/build_aar.py
@@ -37,11 +37,11 @@
 SCRIPT_DIR = os.path.dirname(os.path.realpath(sys.argv[0]))
 DEFAULT_ARCHS = ['armeabi-v7a', 'arm64-v8a', 'x86', 'x86_64']
 NEEDED_SO_FILES = ['libjingle_peerconnection_so.so']
-JAR_FILE = 'lib.java/webrtc/sdk/android/libwebrtc.jar'
-MANIFEST_FILE = 'webrtc/sdk/android/AndroidManifest.xml'
+JAR_FILE = 'lib.java/sdk/android/libwebrtc.jar'
+MANIFEST_FILE = 'sdk/android/AndroidManifest.xml'
 TARGETS = [
-  'webrtc/sdk/android:libwebrtc',
-  'webrtc/sdk/android:libjingle_peerconnection_so',
+  'sdk/android:libwebrtc',
+  'sdk/android:libjingle_peerconnection_so',
 ]
 
 sys.path.append(os.path.join(SCRIPT_DIR, '..', 'libs'))