Splitting up wait_for_device into two pieces

platform_tools/android/bin/adb_wait_for_charge

Index: platform_tools/android/bin/adb_wait_for_charge
diff --git a/platform_tools/android/bin/adb_wait_for_device b/platform_tools/android/bin/adb_wait_for_charge
similarity index 86%
copy from platform_tools/android/bin/adb_wait_for_device
copy to platform_tools/android/bin/adb_wait_for_charge
index a1f8c1645e1b2053b5370ed3fdf51f5348425a02..43e70bcf69e074ad03a86f290e07bd98c11ec1bb 100755
--- a/platform_tools/android/bin/adb_wait_for_device
+++ b/platform_tools/android/bin/adb_wait_for_charge
@@ -1,6 +1,6 @@
 #!/bin/bash
 #
-# Wait for the device to be ready to run tests.
+# Wait for the device to be charged enough for testing.
 
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 source $SCRIPT_DIR/android_setup.sh
@@ -63,14 +63,6 @@ function get_battery_level {
   echo "0"
 }
 
-set -e
-
-# Wait for the device to be connected and fully booted.
-while [ "$($ADB $DEVICE_SERIAL shell getprop sys.boot_completed | tr -d '\r')" != "1" ]; do
-  echo "Waiting for the device to be connected and ready."
-  sleep 5
-done
-
 # Wait for battery charge.
 DESIRED_BATTERY_LEVEL=80
 CURRENT_BATTERY_LEVEL="$(get_battery_level)"
@@ -80,4 +72,4 @@ while [ "${CURRENT_BATTERY_LEVEL}" -lt "${DESIRED_BATTERY_LEVEL}" ]; do
   CURRENT_BATTERY_LEVEL="$(get_battery_level)"
 done
 
-echo "Ready!"
+echo "Charged!"