Reduce verbosity of Android builds.

There's a lot of boilerplate from running ant. Passing '-q' silences most of it.

BUG=164395
NOTRY=True

Review URL: https://chromiumcodereview.appspot.com/11606010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@173688 0039d316-1c4b-4281-b951-d872f2087c98

• build/android/ant/chromium-jars.xml[diff]
• build/android/ant/sdk-targets.xml[diff]
• build/android/prepare_library_for_apk[diff]
• build/apk_test.gypi[diff]
• build/java.gypi[diff]
• build/java_apk.gypi[diff]
• testing/android/generate_native_test.py[diff]
• testing/android/native_test.gyp[diff]
• testing/android/native_test_apk.xml[diff]