Extract apkbuilder build action into a .gypi

Extract apkbuilder build action into a .gypi

- This is in preparation for split apks, where we'll need to call
apkbuilder multiple times.
- This also makes including a classes.dex file optional

BUG=484797
Committed: https://crrev.com/8dabdfa9a758f7a7ac73fa4f5bbc657183b1a3e2
Cr-Commit-Position: refs/heads/master@{#330159}

[agrieve, 2015-05-12 19:08:01]

agrieve@chromium.org changed reviewers:
+ cjhopman@chromium.org

[agrieve, 2015-05-13 13:51:51]

agrieve@chromium.org changed reviewers:
+ nednguyen@google.com

[agrieve, 2015-05-13 13:51:52]

nednguyen@google.com: Please review changes in 

tools/telemetry/telemetry/TELEMETRY_DEPS

[nednguyen, 2015-05-13 15:05:33]

nednguyen@google.com changed reviewers:
+ dtu@chromium.org

[nednguyen, 2015-05-13 15:05:34]

Dave: this is because the telemetry bootstrap_deps includes the whole
"src/build/android". Can we shrink the directory to many subdirectories instead?

[nednguyen, 2015-05-13 16:47:50]

lgtm

[cjhopman, 2015-05-14 00:30:42]

https://codereview.chromium.org/1138953003/diff/40001/build/java_apk.gypi
File build/java_apk.gypi (right):

https://codereview.chromium.org/1138953003/diff/40001/build/java_apk.gypi#new...
build/java_apk.gypi:691: 'inputs': [ '<!(echo "<(_target_name):
<(native_lib_target)" >> /tmp/foo.txt)',
What's this needed for?

[agrieve, 2015-05-14 13:47:29]

https://codereview.chromium.org/1138953003/diff/40001/build/java_apk.gypi
File build/java_apk.gypi (right):

https://codereview.chromium.org/1138953003/diff/40001/build/java_apk.gypi#new...
build/java_apk.gypi:691: 'inputs': [ '<!(echo "<(_target_name):
<(native_lib_target)" >> /tmp/foo.txt)',
On 2015/05/14 00:30:42, cjhopman wrote:
> What's this needed for?

Whoops! That was your test :P. Removed.

[cjhopman, 2015-05-15 18:07:44]

lgtm

[agrieve, 2015-05-15 18:21:57]

The CQ bit was checked by agrieve@chromium.org

[agrieve, 2015-05-15 18:21:57]

The patchset sent to the CQ was uploaded after l-g-t-m from nednguyen@google.com
Link to the patchset: https://codereview.chromium.org/1138953003/#ps80001
(title: "rebased")

[commit-bot: I haz the power, 2015-05-15 18:22:36]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1138953003/80001

[commit-bot: I haz the power, 2015-05-15 19:23:39]

Committed patchset #5 (id:80001)

[commit-bot: I haz the power, 2015-05-15 19:24:33]

Patchset 5 (id:??) landed as
https://crrev.com/8dabdfa9a758f7a7ac73fa4f5bbc657183b1a3e2
Cr-Commit-Position: refs/heads/master@{#330159}