Revert "Bump WebView package version number."

This reverts commit 485f248569d72398862360ff135718ea5dfe2d49.

Change-Id: I8f1c7fea6ba8e3f9c4117ef40ef48372452a3544
diff --git a/chromium/package.mk b/chromium/package.mk
index 8209e6e..4902930 100644
--- a/chromium/package.mk
+++ b/chromium/package.mk
@@ -48,7 +48,7 @@
 LOCAL_AAPT_FLAGS := $(android_webview_aapt_flags)
 LOCAL_AAPT_FLAGS += --extra-packages com.android.webview.chromium
 LOCAL_AAPT_FLAGS += --shared-lib
-LOCAL_AAPT_FLAGS += --version-code 2
+LOCAL_AAPT_FLAGS += --version-code 1
 
 LOCAL_JNI_SHARED_LIBRARIES += libwebviewchromium