Support linking skia statically on Android

platform_tools/android/bin/android_setup.sh

 #!/bin/bash
 #
 # android_setup.sh: Sets environment variables used by other Android scripts.
 
 # Parse the arguments for a DEVICE_ID.
 DEVICE_ID=""
 DEVICE_SERIAL=""
 while (( "$#" )); do
   if [[ $(echo "$1" | grep "^-d$") != "" ]];
   then
@@ skipping 143 matching lines @@
   export STRIP="$ANDROID_TOOLCHAIN_PREFIX-strip"
 }
 
 # Helper function to configure the GYP defines to the appropriate values
 # based on the target device.
 setup_device() {
   DEFINES="OS=android"
   DEFINES="${DEFINES} host_os=$(uname -s | sed -e 's/Linux/linux/;s/Darwin/mac/')"
   DEFINES="${DEFINES} skia_os=android"
   DEFINES="${DEFINES} android_base=${SCRIPT_DIR}/.."
-  DEFINES="${DEFINES} skia_shared_lib=1"
+  if [[ "$GYP_DEFINES" != *skia_shared_lib=* ]]; then
+      DEFINES="${DEFINES} skia_shared_lib=1"
+  fi
 
   # Setup the build variation depending on the target device
   TARGET_DEVICE="$1"
 
   if [ -z "$TARGET_DEVICE" ]; then
     if [ -f .android_config ]; then
       TARGET_DEVICE=$(cat .android_config)
       verbose "INFO: no target device was specified so using the device (${TARGET_DEVICE}) from the most recent build"
     else
       TARGET_DEVICE="arm_v7_thumb"
@@ skipping 148 matching lines @@
   else
     $ADB $DEVICE_SERIAL push $HOST_SRC $ANDROID_DST
   fi
 }
 
 # Set up the device.
 setup_device "${DEVICE_ID}"
 if [[ "$?" != "0" ]]; then
   exit 1
 fi